2024

Prasad, A. et al. (2024) MEMS gravimeters for geophysics. IEEE Instrumentation and Measurement Magazine, 27(6), pp. 46-52. (doi: 10.1109/MIM.2024.10654725)

Hawley, U., Januszewicz, J., McConkey, Z., Sinclair, M. , Di Gaetano, E. , Sorel, M. , Gallacher, K. and Paul, D. J. (2024) Integrating MEMS and Silicon-Nitride Photonic Integrated Circuits for Atomic Systems. In: 2024 IEEE Photonics Society Summer Topicals Meeting Series (SUM), Bridgetown, Barbados, 15-17 Jul 2024, ISBN 9798350393873 (doi: 10.1109/SUM60964.2024.10614497)

McConkey, Z. P., Hawley, U., Sinclair, M. , Januszewicz, J., Gallacher, K. and Paul, D. J. (2024) Quartz Circular Polarising Optical Window at 80°C for MEMS Vapour Cells. In: 2024 IEEE Photonics Society Summer Topicals Meeting Series (SUM), Bridgetown, Barbados, 15-17 Jul 2024, ISBN 9798350393873 (doi: 10.1109/SUM60964.2024.10614545)

Fleming, F. et al. (2024) Surface-normal illuminated pseudo-planar Ge-on-Si avalanche photodiodes with high gain and low noise. Optics Express, 32(11), 19449. (doi: 10.1364/OE.521417)

Falcone, V. et al. (2024) Near-infrared light trapping and avalanche multiplication in silicon epitaxial microcrystals. Advanced Optical Materials, 12(14), 2302568. (doi: 10.1002/adom.202302568)

Di Gaetano, E. , Keliehor, B., Gallacher, K. , Griffin, P.F., Sorel, M. , Riis, E. and Paul, D.J. (2024) 778.1 nm distributed feedback lasers for Rb two-photon atomic systems with sub-4 kHz linewidths. APL Photonics, 9(5), 056114. (doi: 10.1063/5.0191088)

McCarthy, C. , Smith, C. , Mowbray, H., Paul, D. and Millar, R. (2024) Ge-on-Si Single Photon Avalanche Diode Performance Enhancement with Photonic Crystal Nano-hole Arrays. In: SPIE OPTO 2024, San Francisco, California, USA, 27 Jan-01 Feb 2024, (doi: 10.1117/12.3001610)

Dumas, D. et al. (2024) Decoupling the dark count rate contributions in Ge-on-Si single photon avalanche diodes. In: SPIE OPTO 2024, San Francisco, California, USA, 27 Jan-01 Feb 2024, (doi: 10.1117/12.3001450)

2023

Falcone, V., Barzaghi, A., Signorelli, F., Bergamaschini, R., Valente, J. , Paul, D. , Tosi, A. and Isella, G. (2023) Ge and Si Microcrystal Photodetectors with Enhanced Infrared Responsivity. In: 2023 IEEE Nanotechnology Materials and Devices Conference (NMDC), Paestum, Italy, 22-25 October 2023, ISBN 9798350335460 (doi: 10.1109/NMDC57951.2023.10343764)

Yi, X. et al. (2023) Afterpulsing in Ge-on-Si single-photon avalanche diodes. IEEE Photonics Technology Letters, 35(7), pp. 959-962. (doi: 10.1109/lpt.2023.3289653)

Gallacher, K. et al. (2023) Silicon-Nitride Photonic Integrated Circuits for Atomic Systems. In: IEEE Photonics Society Summer Topicals Meetings Series (SUM 2023), Giardini Naxos, Italy, 17-19 July 2023, ISBN 9798350347210 (doi: 10.1109/SUM57928.2023.10224366)

Hadfield, R. H. , Leach, J., Fleming, F., Paul, D. J. , Tan, C. H., Ng, J. S., Henderson, R. K. and Buller, G. S. (2023) Single-photon detection for long-range imaging and sensing. Optica, 10(9), pp. 1124-1141. (doi: 10.1364/OPTICA.488853)

Simpson, K. A. , Williamson, C., Paul, D. J. and Pezaros, D. P. (2023) GALETTE: a Lightweight XDP Dataplane on your Raspberry Pi. In: IFIP Networking 2023, Barcelona, Spain, 12-15 June 2023, ISBN 9783903176577 (doi: 10.23919/IFIPNetworking57963.2023.10186412)

Coughlan, C., Mirza, M.M. , Kirdoda, J. , Dumas, D., Smith, C., McCarthy, C. , Millar, R.W. and Paul, D.J. (2023) Effect of Passivation on Selectively Grown Sub-µm Ge-on-Si Single Photon Avalanche Diode Detectors. In: 2023 IEEE Silicon Photonics Conference (SiPhotonics), Arlington, VA, USA, 04-07 Apr 2023, ISBN 9781665486552 (doi: 10.1109/SiPhotonics55903.2023.10141911)

Tetzner, H., Seifert, W., Skibitzki, O., Yamamoto, Y., Lisker, M., Mirza, M.M. , Fischer, I.A., Paul, D.J. , De Seta, M. and Capellini, G. (2023) Unintentional p-type conductivity in intrinsic Ge-rich SiGe/Ge heterostructures grown on Si(001). Applied Physics Letters, 122(24), 243503. (doi: 10.1063/5.0152962)

Falcone, V. et al. (2023) Photodetectors Based on 3D Self-Assembled Ge and Si Micro-Crystals. ISTDM-ICSI-2023, Como, Italy, 21-25 May 2023.

Paul, D.J. et al. (2023) A Review of Ge-on-Si Single Photon Avalanche Diode (SPAD) Photodetectors and Applications. ISTDM-ICSI-2023, Como, Italy, 21-25 May 2023.

Tetzner, H., Skibitzki, O., Seifert, W., Lisker, M., Mirza, M. M. , Fischer, I. A., Paul, D. J. , De Seta, M. and Capellini, G. (2023) Background Carrier Concentration in Intrinsic Ge-Rich SiGe/Ge Heterostructures Integrated on Si(001). ISTDM-ICSI-2023, Como, Italy, 21-25 May 2023.

Di Gaetano, E. , Keliehor, B., Griffin, P., Sorel, M. , Riis, E. and Paul, D. J. (2023) Single-mode Distributed Feedback Lasers for 85Rb Two-Photon Quantum Technology Systems. In: 2023 Conference on Lasers and Electro-Optics (CLEO 23), San Jose, California, USA, 7-12 May 2023, ISBN 9781957171258 (doi: 10.1364/CLEO_AT.2023.AM2N.5)

Dyer, S., Gallacher, K. , Hawley, U., Bregazzi, A., Griffin, P.F., Arnold, A.S., Paul, D.J. , Riis, E. and McGilligan, J.P. (2023) Chip-scale packages for a tunable wavelength reference and laser cooling platform. Physical Review Applied, 19(4), 044015. (doi: 10.1103/PhysRevApplied.19.044015)

Coughlan, C., Mirza, M. M.A. , Kirdoda, J. , Dumas, D., Smith, C., McCarthy, C. , Mowbray, H., Watson, S. , Millar, R. and Paul, D. J. (2023) Variation of Sidewall Passivation on Sub-um Selectively Grown Ge-on-Si Devices Towards Single Photon Avalanche Detectors. In: SPIE OPTO 2023, San Francisco, CA, USA, 28 Jan-3 Feb 2023, 124170M. ISBN 9781510659391 (doi: 10.1117/12.2665493)

Smith, C. et al. (2023) Simulation and Design Optimization of Germanium-on-Silicon Single Photon Avalanche Diodes. In: SPIE OPTO 2023, San Francisco, CA, USA, 28 Jan-3 Feb 2023, 124260S. ISBN 9781510659575 (doi: 10.1117/12.2650154)

Di Gaetano, E. , Keliehor, B., Griffin, P., Sorel, M. , Riis, E. and Paul, D. (2023) Sub-4 kHz Linewidth Distributed Feedback Lasers at 778.1 nm Wavelength for Two-Photon Rb Spectroscopy. SPIE Photonics West 2023, San Francisco, CA, USA, 28 Jan - 02 Feb 2023.

2022

Di Gaetano, E. , Griffin, P., Keliehor, B., Sorel, M. , Riis, E. and Paul, D. J. (2022) Single-mode Distributed Feedback Lasers for 87Rb Two-Photon Quantum Technology Systems. In: 2022 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 13-17 November 2022, ISBN 9781665434874 (doi: 10.1109/IPC53466.2022.9975651)

Gallacher, K. , Griffin, P. F., Riis, E., Sorel, M. and Paul, D. J. (2022) Si3 N4 Waveguide Polarization Components for Atomic Systems. In: 2022 IEEE Photonics Conference (IPC), Vancouver, BC, Canada, 13-17 Nov 2022, ISBN 9781665434874 (doi: 10.1109/IPC53466.2022.9975656)

Belwanshi, V. , Prasad, A. , Toland, K. , Middlemiss, R. , Paul, D. and Hammond, G. (2022) Investigation of temperature sensitivity of a MEMS gravimeter based on geometric anti-spring. Review of Scientific Instruments, 93(12), 125002. (doi: 10.1063/5.0114664) (PMID:36586950)

Prasad, A. , Middlemiss, R. P. , Noack, A., Anastasiou, K., Bramsiepe, S. G. , Toland, K. , Utting, P. R., Paul, D. J. and Hammond, G. D. (2022) A 19 day earth tide measurement with a MEMS gravimeter. Scientific Reports, 12, 13091. (doi: 10.1038/s41598-022-16881-1) (PMID:35906251) (PMCID:PMC9338064)

Belwanshi, V. , Prasad, A. , Toland, K. , Anastasiou, K., Bramsiepe, S. , Middlemiss, R. , Paul, D. J. and Hammond, G. D. (2022) A Simulation Study of the Temperature Sensitivity and Impact of Fabrication Tolerances on the Performance of a Geometric Anti-Spring Based MEMS Gravimeter. In: 9th International Symposium on Inertial Sensors and Systems (INERTIAL 2022), Avignon, France, 8-11 May 2022, ISBN 9781665402828 (doi: 10.1109/INERTIAL53425.2022.9787761)

Fischer, I. A., Brehm, M., De Seta, M., Isella, G., Paul, D. J. , Virgilio, M. and Capellini, G. (2022) On-chip infrared photonics with Si-Ge-heterostructures: what is next? APL Photonics, 7(5), 050901. (doi: 10.1063/5.0078608)

Gallacher, K. , Griffin, P. F., Riis, E., Sorel, M. and Paul, D. J. (2022) Silicon Nitride Waveguide Polarization Components for Rubidium Saturated Absorption Spectroscopy On-Chip. Conference on Lasers and Electro-Optics (CLEO 2022), San Jose, California, USA, 15-20 May 2022. ISBN 9781957171050

Middlemiss, R. P. et al. (2022) A MEMS Gravimeter with Multi-Axis Gravitational Sensitivity. In: 9th International Symposium on Inertial Sensors and Systems (INERTIAL 2022), Avignon, France, 8-11 May 2022, ISBN 9781665402828 (doi: 10.1109/INERTIAL53425.2022.9787754)

Gallacher, K. , Griffin, P. F., Riis, E., Sorel, M. and Paul, D. J. (2022) Silicon nitride waveguide polarization rotator and polarization beam splitter for chip-scale atomic systems. APL Photonics, 7(4), 046101. (doi: 10.1063/5.0077738)

Anastasiou, K., Hammond, G. , Paul, D. , Toland, K. , Prasad, A. , Bramsiepe, S. , Passey, E. and Rakoczi, H. (2022) An Update to the Development of the Wee-g: A High-Sensitivity MEMS-Based Relative Gravimeter for Multi-Pixel Application. EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022. (doi: 10.5194/egusphere-egu22-4165)

McGilligan, J. P., Gallacher, K. , Griffin, P. F., Paul, D. J. , Arnold, A. S. and Riis, E. (2022) Micro-fabricated components for cold atom sensors. Review of Scientific Instruments, 93, 091101. (doi: 10.1063/5.0101628) (PMID:36182455)

2021

Pedrini, J., Barzaghi, A., Valente, J. , Paul, D. J. , Isella, G. and Pezzoli, F. (2021) Photonic band gap and light routing in self-assembled lattices of epitaxial Ge-on-Si microstructures. Physical Review Applied, 16(6), 064024. (doi: 10.1103/PhysRevApplied.16.064024)

Thorburn, F., Yi, X., Greener, Z. M., Kirdoda, J. , Millar, R. W. , Huddleston, L. L., Paul, D. J. and Buller, G. S. (2021) Ge-on-Si single-photon avalanche diode detectors for short-wave infrared wavelengths. Journal of Physics: Photonics, 4, 012001. (doi: 10.1088/2515-7647/ac3839)

Stark, D. et al. (2021) THz Intersubband Emitter based on Silicon. In: 27th International Semiconductor Laser Conference (ISLC 2021), Potsdam, Germany, 10-14 Oct 2021, ISBN 9781665430944 (doi: 10.1109/ISLC51662.2021.9615725)

Millar, R. W. et al. (2021) Pseudo-planar Ge-on-Si Single-photon Avalanche Diode Detector with Record Low Noise-equivalent Power. In: SPIE PHOTONEX, Glasgow, UK, 28 Sep - 01 Oct 2021, (doi: 10.1117/12.2599033)

Millar, R. W. et al. (2021) Ge-on-Si Single-Photon Avalanche Diode Detectors with Low Noise Equivalent Power in the Short-Wave Infrared. In: 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 21-25 June 2021, ISBN 9781665418768 (doi: 10.1109/CLEO/Europe-EQEC52157.2021.9542785)

Stark, D. et al. (2021) Terahertz intersubband electroluminescence from n-type germanium quantum wells. In: 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 21-25 June 2021, ISBN 9781665448048 (doi: 10.1109/CLEO/Europe-EQEC52157.2021.9541838)

Prasad, A. , Middlemiss, R. P. , Anastasiou, K., Bramsiepe, S. G. , Noack, A., Paul, D. J. , Toland, K. , Utting, P. R. and Hammond, G. D. (2021) A Nineteen Day Earth Tide Measurement with a MEMS Gravimeter. arXiv, (Unpublished)

Albani, M., Bergamaschini, R., Barzaghi, A., Salvalaglio, M., Valente, J. , Paul, D. J. , Voigt, A., Isella, G. and Montalenti, F. (2021) Faceting of Si and Ge crystals grown on deeply patterned Si substrates in the kinetic regime: phase-field modelling and experiments. Scientific Reports, 11, 18825. (doi: 10.1038/s41598-021-98285-1) (PMID:34552147) (PMCID:PMC8458435)

Gallacher, K. , Grickeviciute, U., Millar, R. W. and Paul, D. J. (2021) Ge on Si Photonics Platform for Mid-Infrared Sensors. In: 2021 IEEE Photonics Society Summer Topicals Meeting Series (SUM), Cabo San Lucas, Mexico, 19-21 July 2021, ISBN 9781665416009 (doi: 10.1109/SUM48717.2021.9505799)

Fischer, M. P., Maccaferri, N., Gallacher, K. , Frigerio, J., Pellegrini, G., Paul, D. J. , Isella, G., Leitenstorfer, A., Biagioni, P. and Brida, D. (2021) Field-resolved detection of the temporal response of a single plasmonic antenna in the mid-infrared. Optica, 8(6), pp. 898-903. (doi: 10.1364/OPTICA.420683)

Stark, D. et al. (2021) THz intersubband electroluminescence from n-type Ge/SiGe quantum cascade structures. Applied Physics Letters, 118(10), 101101. (doi: 10.1063/5.0041327)

Di Gaetano, E. , Watson, S. , McBrearty, E. , Sorel, M. and Paul, D. J. (2021) Sub-MHz linewidth distributed feedback laser at 780.24-nm emission wavelength for 87Rb applications. Novel In-Plane Semiconductor Lasers XX, 06-12 Mar 2021. ISBN 9781510642454 (doi: 10.1117/12.2582524)

Frigerio, J. et al. (2021) Ge-on-Si Based Mid-infrared Plasmonics. In: Silicon Photonics XVI, 06-12 Mar 2021, 116910M. (doi: 10.1117/12.2576175)

Middlemiss, R. P. , Campsie, P., Cunningham, W. , Douglas, R., McIvor, V., Hough, J. , Rowan, S. , Paul, D. J. , Prasad, A. and Hammond, G. D. (2021) A MEMS gravimeter with multi-axis gravitational sensitivity. arXiv, (Unpublished)

Barzaghi, A. et al. (2021) Self-Assembled Ge-on-Si Microcrystals for Single Photon Detection. Micro and Nano Engineering Conference, Turin, Italy, 20-23 Sep 2021.

Tetzner, H., Fischer, I.A., Skibitzki, O., Mirza, M. M.A. , Manganelli, C.L., Luongo, G., Spirito, D., Paul, D. J. , De Seta, M. and Capellini, G. (2021) Current leakage mechanisms related to threading dislocations in Ge-rich SiGe heterostructures grown on Si(001). Applied Physics Letters, 119(15), 153504. (doi: 10.1063/5.0064477)

Toland, K. , Prasad, A. , Noack, A., Anastasiou, K., Middlemiss, R. , Paul, D. and Hammond, G. (2021) Development and Assembly of a MEMS Based High-Sensitivity Relative Gravimeter for Multi-Pixel Imaging Applications. EGU General Assembly 2021, 19-30 Apr 2021. (doi: 10.5194/egusphere-egu21-13167)

2020

Ferre Llin, L. et al. (2020) High sensitivity Ge-on-Si single-photon avalanche diode detectors. Optics Letters, 45(23), pp. 6406-6409. (doi: 10.1364/OL.396756)

Carbone, D. et al. (2020) The NEWTON-g gravity imager: toward new paradigms for terrain gravimetry. Frontiers in Earth Science, 8, 573396. (doi: 10.3389/feart.2020.573396)

Gallacher, K. , Millar, R. W. , Griskeviciute, U., Sinclair, M. , Sorel, M. , Baldassarre, L., Ortolani, M., Soref, R. and Paul, D. J. (2020) Ge-on-Si Waveguide Polarization Rotator Operating in the 8-14 µm Atmospheric Transmission Window. In: CLEO: Applications and Technology 2020, Washington, DC, USA, 10-15 May 2020, STh4L.8. ISBN 9781943580767 (doi: 10.1364/CLEO_SI.2020.STh4L.8)

Millar, R. W. et al. (2020) Ge-on-Si Single Photon Avalanche Diode Detectors for LIDAR in the Short Wave Infrared. In: CLEO: Applications and Technology 2020, Washington, DC, USA, 10-15 May 2020, AF2I.6. ISBN 9781943580767 (doi: 10.1364/CLEO_AT.2020.AF2I.6)

Sinclair, M. , Gallacher, K. , Sorel, M. , Bayley, J. C. , McBrearty, E. , Millar, R. W. , Hild, S. and Paul, D. J. (2020) 1.4 Million Q-Factor 780 nm Wavelength Si3N4 Micro-rings for Chip-Scale Atomic Systems. In: CLEO: Applications and Technology 2020, Washington, DC, USA, 10-15 May 2020, STu4O.8. ISBN 9781943580767 (doi: 10.1364/CLEO_SI.2020.STu4O.8)

Watson, S. , Di Gaetano, E. , McBrearty, E. , Sorel, M. and Paul, D. J. (2020) Narrow Linewidth Distributed Feedback Diode Lasers for Cooling in Cold Atom Systems. In: CLEO: Applications and Technology 2020, Washington, DC, USA, 10-15 May 2020, AF3I.5. ISBN 9781943580767 (doi: 10.1364/CLEO_AT.2020.AF3I.5)

Gallacher, K. , Millar, R. W. , Griskeviciute, U., Sinclair, M. , Sorel, M. , Baldassarre, L., Ortolani, M., Soref, R. and Paul, D. J. (2020) Ge-on-Si Mid-Infrared Waveguide Platform for Molecular Fingerprint Sensing. In: 22nd International Conference on Transparent Optical Networks (ICTON), Bari, Italy, 19-23 July 2020, ISBN 9781728184241 (doi: 10.1109/ICTON51198.2020.9203237)

Watson, S. et al. (2020) Distributed Feedback Lasers for Quantum Cooling Applications. In: 22nd International Conference on Transparent Optical Networks (ICTON), Bari, Italy, 19-23 July 2020, ISBN 9781728184241 (doi: 10.1109/ICTON51198.2020.9203200)

Gallacher, K. et al. (2020) Characterization of integrated waveguides by atomic-force-microscopy-assisted mid-infrared imaging and spectroscopy. Optics Express, 28(15), pp. 22186-22199. (doi: 10.1364/OE.393748)

Di Gaetano, E. , Watson, S. , McBrearty, E. , Sorel, M. and Paul, D.J. (2020) Sub-MHz linewidth 780.24 nm distributed feedback laser for ⁸⁷Rb applications. Optics Letters, 45(13), pp. 3529-3532. (doi: 10.1364/OL.394185)

Thorburn, F. E. et al. (2020) High Efficiency Planar Geometry Germanium-on-silicon Single-photon Avalanche Diode Detectors. In: Advanced Photon Counting Techniques XIV, 27 Apr - 08 May 2020, 113860N. ISBN 9781510635494 (doi: 10.1117/12.2559620)

Barzaghi, A. et al. (2020) Self-assembly of nanovoids in Si microcrystals epitaxially grown on deeply patterned substrates. Crystal Growth and Design, 20(5), pp. 2914-2920. (doi: 10.1021/acs.cgd.9b01312)

Kirdoda, J. , Dumas, D. C.S., Millar, R. W. , Mirza, M. M. , Paul, D. J. , Kuzmenko, K., Vines, P., Greener, Z. and Buller, G. S. (2020) Geiger Mode Ge-on-Si Single-Photon Avalanche Diode Detectors. In: 2019 IEEE 2nd British and Irish Conference on Optics and Photonics (BICOP), London, UK, 11-13 Dec 2019, ISBN 9781728149486 (doi: 10.1109/BICOP48819.2019.9059574)

The University Court Of The University of Glasgow. Heriot-Watt University (2020) Single photon avalanche detector, method for use therefore and for its manufacture. .

Ciano, C. et al. (2020) Terahertz absorption-saturation and emission from electron-doped germanium quantum wells. Optics Express, 28(5), pp. 7245-7258. (doi: 10.1364/OE.381471)

Gallacher, K. et al. (2020) Design and simulation of losses in Ge/SiGe terahertz quantum cascade laser waveguides. Optics Express, 28(4), pp. 4786-4800. (doi: 10.1364/OE.384993)

Sinclair, M. , Gallacher, K. , Sorel, M. , Bayley, J. C., McBrearty, E. , Millar, R. W. , Hild, S. and Paul, D. J. (2020) 1.4 million Q factor Si₃N₄ micro-ring resonator at 780 nm wavelength for chip-scale atomic systems. Optics Express, 28(3), pp. 4010-4020. (doi: 10.1364/OE.381224)

Gallacher, K. , Millar, R. W. , Griskeviciute, U., Sinclair, M. , Sorel, M. , Baldassarre, L., Ortolani, M., Soref, R. and Paul, D. J. (2020) Ultra-broadband mid-infrared Ge-on-Si waveguide polarization rotator. APL Photonics, 5(2), 026102. (doi: 10.1063/1.5134973)

Griskeviciute, U., Millar, R. W. , Gallacher, K. , Valente, J. and Paul, D. J. (2020) Ge-on-Si waveguides for sensing in the molecular fingerprint regime. Optics Express, 28(4), pp. 5749-5757. (doi: 10.1364/OE.382356)

Kuzmenko, K. et al. (2020) 3D LIDAR imaging using Ge-on-Si single–photon avalanche diode detectors. Optics Express, 28(2), pp. 1330-1344. (doi: 10.1364/OE.383243)

2019

Bashir, A., Millar, R. W. , Gallacher, K. , Paul, D. J. , Darbal, A. D., Stroud, R., Ballabio, A., Frigerio, J., Isella, G. and MacLaren, I. (2019) Strain analysis of Ge micro disk using precession electron diffraction. Journal of Applied Physics, 126, 235701. (doi: 10.1063/1.5113761)

Ciano, C. et al. (2019) Electron population dynamics in optically pumped asymmetric coupled Ge/SiGe quantum wells: experiment and models. Photonics, 7(1), 2. (doi: 10.3390/photonics7010002)

Ciano, C. et al. (2019) n-type Ge/SiGe multi quantum-wells for a THz quantum cascade laser. ECS Transactions, 93(1), pp. 63-66. (doi: 10.1149/09301.0063ecst)

Ciano, C. et al. (2019) Electron-doped SiGe Quantum Well Terahertz Emitters pumped by FEL pulses. In: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, 1-6 Sept 2019, ISBN 9781538682869 (doi: 10.1109/IRMMW-THz.2019.8873894)

Montanari, M. et al. (2019) High-Quality n-Type Ge/SiGe Multilayers for THz Quantum Cascade Lasers. In: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, 1-5 September 2019, pp. 1-2. ISBN 9781538682869 (doi: 10.1109/IRMMW-THz.2019.8874294)

Stark, D. et al. (2019) Si-based n-type THz Quantum Cascade Emitter. In: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France, 1-5 September 2019, pp. 1-2. ISBN 9781538682869 (doi: 10.1109/IRMMW-THz.2019.8874354)

Dumas, D. C.S., Kirdoda, J. , Vines, P., Kuzmenko, K., Millar, R. W. , Buller, G. S. and Paul, D. J. (2019) Ge-On-Si High Efficiency Spads at 1310 Nm. In: 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 23-27 Jun 2019, ISBN 9781728104690 (doi: 10.1109/CLEOE-EQEC.2019.8873357)

Sinclair, M. et al. (2019) High-Q Si3N4 Ring Resonators for Locking 780nm GaAs-Based Distributed Feedback Laser. In: 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 23-27 Jun 2019, ISBN 9781728104690 (doi: 10.1109/CLEOE-EQEC.2019.8872725)

Gallacher, K. , Griskeviciute, U., Millar, R. W. and Paul, D. J. (2019) Ultra Broadband Mid-Infrared Ge-on-Si Polarization Rotator. In: 2019 IEEE 16th International Conference on Group IV Photonics (GFP), Singapore, 28-30 Aug 2019, ISBN 9781728109053 (doi: 10.1109/GROUP4.2019.8853922)

Griskeviciute, U., Gallacher, K. , Millar, R. W. , Paul, D. J. and MacGilp, I. (2019) Understanding the Sidewall Dependence of Loss for Ge-on-Si Waveguides in the Mid-Infrared. In: 2019 IEEE 16th International Conference on Group IV Photonics (GFP), Singapore, 28-30 Aug 2019, ISBN 9781728109053 (doi: 10.1109/GROUP4.2019.8853945)

Kirdoda, J. , Dumas, D. C.S., Kuzmenko, K., Vines, P., Greener, Z. M., Millar, R. W. , Mirza, M. M. , Buller, G. S. and Paul, D. J. (2019) Geiger Mode Ge-on-Si Single-Photon Avalanche Diode Detectors. In: 2019 IEEE 16th International Conference on Group IV Photonics (GFP), Singapore, 28-30 Aug 2019, ISBN 9781728109053 (doi: 10.1109/GROUP4.2019.8853918)

Millar, R.W. , Griskeviciute, U., Gallacher, K. , Sorel, M. , Paul, D.J. , Baldassarre, L. and Ortolani, M. (2019) Molecular Fingerprint Sensing Using Ge-on-Si Waveguides. In: 2019 IEEE 16th International Conference on Group IV Photonics (GFP), Singapore, 28-30 Aug 2019, ISBN 9781728109053 (doi: 10.1109/GROUP4.2019.8853881)

Persichetti, L. et al. (2019) Electron State Coupling in asymmetric Ge/SiGe quantum Wells (Conference Presentation). Physical Chemistry of Semiconductor Materials and Interfaces XVIII, San Diego, California, United States, 2019. (doi: 10.1117/12.2527666)

Alonso-Álvarez, D., Augusto, A., Pearce, P., Ferre Llin, L., Mellor, A., Bowden, S., Paul, D.J. and Ekins-Daukes, N. (2019) Thermal emissivity of silicon heterojunction solar cells. Solar Energy Materials and Solar Cells, 201, 110051. (doi: 10.1016/j.solmat.2019.110051)

Di Gaetano, E. , McBrearty, E. , Paul, D. and Sorel, M. (2019) Chirped DFB Grating for Narrow Linewidth Lasers. Annual Meeting UK Quantum Technology Hub in Sensors and Metrology, Birmingham, UK, Sep 2019.

Marocco, G. et al. (2019) MEMS Gradiometers for Attitude Determination on CubeSats. In: 33rd Annual Small Satellite Conference, Utah, USA, 3-8 Aug 2019,

Fischer, M. P., Gallacher, K. , Frigerio, J., Pellegrini, G., Isella, G., Leitenstorfer, A., Paul, D. J. , Biagioni, P. and Brida, D. (2019) Field-Resolved Detection of the Temporal Response of a Mid-Infrared Plasmonic Antenna. CLEO: QELS_Fundamental Science 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576

Gallacher, K. , Sinclair, M. , Millar, R.W. , Sharp, O., Mirando, F., Ternent, G., Mills, G., Casey, B. and Paul, D.J. (2019) Integrated DFB Lasers on Si3N4 Photonic Platform for Chip-Scale Atomic Systems. CLEO: Science and Innovations 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576 (doi: 10.1364/CLEO_SI.2019.STu4O.7)

Griškevičiūtė, U., Millar, R.W. , Gallacher, K. , Baldassarre, L., Sorel, M. , Ortolani, M. and Paul, D.J. (2019) Fingerprint Mid-Infrared Sensing With Germanium on Silicon Waveguides. In: CLEO: Science and Innovations 2019, San Jose, CA, USA, 05-10 May 2019, ISBN 9781943580576 (doi: 10.1364/CLEO_SI.2019.STh1N.2)

Kirdoda, J. , Ferre Llin, L., Kuzmenko, K., Vines, P., Greener, Z., Dumas, D.C.S., Millar, R. , Mirza, M.M. , Buller, G.S. and Paul, D.J. (2019) High Efficiency Planar Ge-on-Si Single-Photon Avalanche Diode Detectors. CLEO: QELS_Fundamental Science 2019, San Jose, CA, USA, 05-10 May 2019. ISBN 9781943580576

McBrearty, E. , Saeed, A. , Sorel, M. and Paul, D.J. (2019) Narrow Linewidth DFB Lasers for Cold Atom Technologies. EPSRC 2nd IAA Impact Festival, Glasgow, UK, 27 Mar 2019.

Grange, T. et al. (2019) Room temperature operation of n-type Ge/SiGe terahertz quantum cascade lasers predicted by non-equilibrium Green's functions. Applied Physics Letters, 114(11), 111102. (doi: 10.1063/1.5082172)

Vines, P., Kuzmenko, K., Kirdoda, J. , Dumas, D. C.S., Mirza, M. M. , Millar, R. W. , Paul, D. J. and Buller, G. S. (2019) High performance planar germanium-on-silicon single-photon avalanche diode detectors. Nature Communications, 10, 1086. (doi: 10.1038/s41467-019-08830-w) (PMID:30842439) (PMCID:PMC6403241)

Millar, R. W. , Gallacher, K. , Griskeviciute, U., Baldassarre, L., Sorel, M. , Ortolani, M. and Paul, D. J. (2019) Low Loss Germanium-on-Silicon Waveguides for Integrated Mid-Infrared Photonics. In: SPIE OPTO 2019, San Francisco, CA, USA, 02-07 Feb 2019, 109230S. (doi: 10.1117/12.2510009)

Dumas, D. C.S., Kirdoda, J. , Millar, R. W. , Vines, P., Kuzmenko, K., Buller, G. S. and Paul, D. J. (2019) High-Efficiency Ge-on-Si SPADs for Short-Wave Infrared. In: SPIE Photonics West, San Francisco, CA, USA, 02-07 Feb 2019, p. 1091424. (doi: 10.1117/12.2521067)

Ciano, C. et al. (2019) Control of electron-state coupling in asymmetric Ge/Si−Ge quantum wells. Physical Review Applied, 11(1), 014003. (doi: 10.1103/PhysRevApplied.11.014003)

Gallacher, K. , Millar, R. W. , Griskevivuite, U., Baldassarre, L., Sorel, M. , Ortolani, M. and Paul, D. J. (2019) TuA4.1 - Mid-infrared Sensing with Ge on Si Waveguides (Invited). In: 2019 IEEE Photonics Society Summer Topical Meeting Series (SUM), Ft. Lauderdale, FL, USA, 08-10 Jul 2019, ISBN 9781728105970 (doi: 10.1109/PHOSST.2019.8795039)

Kuzmenko, K. et al. (2019) Planar Geometry Ge-on-Si SPAD Detectors for the Short-wave Infrared. Advanced Photon Counting Techniques XIII, Baltimore, MD, USA, 14-18 Apr 2019. p. 24. ISBN 9781510626218 (doi: 10.1117/12.2518858)

Millar, R.W. , Griskevicuite, U., Gallacher, K. , Baldassarre, L., Sorel, M. , Ortolani, M. and Paul, D.J. (2019) Towards a Mid-Infrared Lab-on-Chip Sensor using Ge-on-Si Waveguides. In: 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 23-27 Jun 2019, ISBN 9781728104690 (doi: 10.1109/CLEOE-EQEC.2019.8871521)

2018

Schupp, F.J., Mirza, M. M.A. , MacLaren, D. A. , Briggs, G. A. D., Paul, D. J. and Mol, J. A. (2018) Quantum interference in silicon 1D junctionless nanowire field-effect transistors. Physical Review B, 98(23), 235428. (doi: 10.1103/PhysRevB.98.235428)

Aftalion, M. et al. (2018) Low-cost MEMS Gravimeters for Underwater Gravimetry and Submarine Detection. AGU Fall Meeting, Washington, D.C., USA, 10-14 Dec 2018.

Fischer, M. P. et al. (2018) Plasmonic mid-infrared third harmonic generation in germanium nanoantennas. Light: Science and Applications, 7(1), 106. (doi: 10.1038/s41377-018-0108-8) (PMID:30564312) (PMCID:PMC6290006)

Mellor, A. et al. (2018) Roadmap for the next-generation of hybrid photovoltaic-thermal solar energy collectors. Solar Energy, 174, pp. 386-398. (doi: 10.1016/j.solener.2018.09.004)

Gallacher, K. , Millar, R.W. , Griškevičiūte, U., Baldassarre, L., Sorel, M. , Ortolani, M. and Paul, D.J. (2018) Low loss Ge-on-Si waveguides operating in the 8–14 µm atmospheric transmission window. Optics Express, 26(20), pp. 25667-25675. (doi: 10.1364/OE.26.025667)

Kirdoda, J. , Dumas, D., Vines, P., Kuzmenko, K., Millar, R.W. , Buller, G.S. and Paul, D.J. (2018) Ge on Si Single Photon Avalanche Detectors for Lidar Applications. SPIE Security + Defence 2018, Berlin, Germany, 10-13 Sep 2018.

Pellegrini, G., Baldassarre, L., Giliberti, V., Frigerio, J., Gallacher, K. , Paul, D. J. , Isella, G., Ortolani, M. and Biagioni, P. (2018) Benchmarking the use of heavily-doped Ge for plasmonics and sensing in the mid-infrared. ACS Photonics, 5(9), pp. 3601-3607. (doi: 10.1021/acsphotonics.8b00438)

Ciano, C. et al. (2018) Germanium Quantum Wells in the Conduction Band for Terahertz Emission on Silicon Substrates. 20th International Conference on Superlattices, Nanostructures and Nanodevices, Madrid, Spain, 23-27 July 2018.

Bramsiepe, S. G., Loomes, D., Middlemiss, R. P. , Paul, D. J. and Hammond, G. D. (2018) A high stability optical shadow sensor with applications for precision accelerometers. IEEE Sensors Journal, 18(10), pp. 4108-4116. (doi: 10.1109/JSEN.2018.2818066)

Carrillo-Nuñez, H., Mirza, M. M. , Paul, D. J. , MacLaren, D. A. , Asenov, A. and Georgiev, V. P. (2018) Impact of randomly distributed dopants on Ω-gate junctionless silicon nanowire transistors. IEEE Transactions on Electron Devices, 65(5), pp. 1692-1698. (doi: 10.1109/TED.2018.2817919)

Middlemiss, R. P. , Bramsiepe, S. G., Douglas, R., Hild, S., Hough, J. , Paul, D. J. , Samarelli, A., Rowan, S. and Hammond, G. D. (2018) Microelectromechanical system gravimeters as a new tool for gravity imaging. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 376(2120), 20170291. (doi: 10.1098/rsta.2017.0291) (PMID:29661979)

Georgiev, V. P. , Dochioiu, A.-I., Adamu-Lema, F., Berrada, S., Mirza, M. M. , Paul, D. and Asenov, A. (2018) Variability Study of High Current Junctionless Silicon Nanowire Transistors. In: 12th IEEE Nanotechnology Materials and Devices Conference (NMDC 2017), Singapore, 2-4 Oct 2017, ISBN 9781538627723 (doi: 10.1109/NMDC.2017.8350514)

Han, G. et al. (2018) Topotactic anion-exchange in thermoelectric nanostructured layered tin chalcogenides with reduced selenium content. Chemical Science, 9(15), pp. 3828-3836. (doi: 10.1039/c7sc05190e) (PMID:29780515) (PMCID:PMC5939836)

Saeed, A. , Ding, Y., Ternent, G., Casey, B., Hamilton, C.J., Hempler, N., Malcolm, G.P.A., Maker, G.T., Sorel, M. and Paul, D.J. (2018) Narrow Linewidth 780 nm Distributed Feedback Lasers for Cold Atom Quantum Technology. SPIE Photonics West 2018, San Francisco, CA, USA, 27 Jan - 01 Feb 2018.

Bashir, A. et al. (2018) Interfacial sharpness and intermixing in a Ge-SiGe multiple quantum well structure. Journal of Applied Physics, 123(3), 035703. (doi: 10.1063/1.5001158)

Riverola, A., Mellor, A., Alonso Alvarez, D., Ferre Llin, L., Guarracino, I., Markides, C.N., Paul, D.J. , Chemisana, D. and Ekins-Daukes, N. (2018) Mid-infrared emissivity of crystalline silicon solar cells. Solar Energy Materials and Solar Cells, 174, pp. 607-615. (doi: 10.1016/j.solmat.2017.10.002)

Gallacher, K. et al. (2018) Components for Integrated Ge on Si for Mid-Infrared Photonic Sensors. In: 2018 IEEE Photonics Society Summer Topical Meeting Series (SUM), Waikoloa Village, HI, USA, 09-11 Jul 2018, pp. 177-178. ISBN 9781538653432 (doi: 10.1109/PHOSST.2018.8456761)

Gallacher, K. , Millar, R. W. , Paul, D. J. , Mirando, F., Ternent, G., Mills, G. and Casey, B. (2018) Distributed Feedback Lasers Operating at 780 nm Wavelength Integrated on Si Substrates for Chip-scale Atomic Systems. In: 2018 IEEE 15th International Conference on Group IV Photonics (GFP), Cancun, Mexico, 29-31 Aug 2018, pp. 67-68. ISBN 9781538653616 (doi: 10.1109/GROUP4.2018.8478720)

Ghisetti, E. A., Dumas, D., Kirdoda, J. , Gallacher, K. , Millar, R. W. , Mirza, M. M.A. and Paul, D. J. (2018) Germanium on Silicon Single Photon Avalanche Detectors Using Silicon-on-Insulator Substrates. Integrated Optics: Devices, Materials, and Technologies XXII, San Francisco, CA, USA, 29 Jan - 01 Feb 2018. (doi: 10.1117/12.2290403)

Millar, R.W. , Gallacher, K. , Griskeviciute, U., Paul, D.J. , Baldassarre, L. and Ortolani, M. (2018) Ge-on-Si Mid-Infrared Waveguides Operating up to 11 μm Wavelength. In: 2018 IEEE 15th International Conference on Group IV Photonics (GFP), Cancun, Mexico, 29-31 Aug 2018, pp. 137-138. ISBN 9781538653616 (doi: 10.1109/GROUP4.2018.8478757)

Prasad, A. , Bramsiepe, S.G., Middlemiss, R.P., Hough, J. , Rowan, S. , Hammond, G.D. and Paul, D.J. (2018) A Portable MEMS Gravimeter for the Detection of the Earth Tides. In: 2018 IEEE Sensors, New Delhi, India, 28-31 Oct 2018, ISBN 9781538647073 (doi: 10.1109/ICSENS.2018.8589884)

2017

Middlemiss, R. P. , Bramsiepe, S. G., Douglas, R., Hough, J. , Paul, D. J. , Rowan, S. and Hammond, G. D. (2017) Field tests of a portable MEMS gravimeter. Sensors, 17(11), 2571. (doi: 10.3390/s17112571) (PMID:29117099)

Millar, R.W. , Dumas, D.C.S., Gallacher, K. , Jahandar, P., Myronov, M. and Paul, D.J. (2017) Tensile Strained GeSn Mid-Infrared Light Emitters. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 49-50. ISBN 9781509065677 (doi: 10.1109/GROUP4.2017.8082190)

Frigerio, J. et al. (2017) Optical properties of highly n-doped germanium obtained by in situ doping and laser annealing. Journal of Physics D: Applied Physics, 50(46), 465103. (doi: 10.1088/1361-6463/aa8eca)

Millar, R.W. , Dumas, D.C.S., Gallacher, K.F. , Jahandar, P., MacGregor, C., Myronov, M. and Paul, D.J. (2017) Mid-infrared light emission > 3 µm wavelength from tensile strained GeSn microdisks. Optics Express, 25(21), pp. 25374-25385. (doi: 10.1364/OE.25.025374) (PMID:29041205)

Alonso-Álvarez, D., Ferre Llin, L., Mellor, A., Paul, D. J. and Ekins-Daukes, N. J. (2017) ITO and AZO films for low emissivity coatings in hybrid photovoltaic-thermal applications. Solar Energy, 155, pp. 82-92. (doi: 10.1016/j.solener.2017.06.033)

The University Court of the University of Glasgow (2017) Measurement of Acceleration. .

Mirza, M. M.A. , Schupp, F.J., Mol, J.A., MacLaren, D. , Briggs, G.A.D. and Paul, D. (2017) Many-Body Effects in 1D Degenerately-Doped Silicon Nanowire Devices. Silicon Quantum Information Processing (SiQIP), Lancaster, UK, 11 Sep 2017.

Radhakrishnan, N., Mirza, M. M.A. , MacLaren, D. and Paul, D. (2017) Electron Transport in Top-down Fabricated Silicon Nanowires Using Relaxed and Scalable Nanofabrication. Silicon Quantum Information Processing (SiQIP), Lancaster, UK, 11 Sep 2017.

Schupp, F. J., Mirza, M. M.A. , Mol, J.A., MacLaren, D. , Briggs, G.A.D. and Paul, D. (2017) Quantum Interference Effects in Degenerately Doped Silicon Nanowire Junction-less Transistors. Silicon Quantum Information Processing (SiQIP), Lancaster, UK, 11 Sep 2017.

Georgiev, V. P. , Mirza, M. M. , Dochioiu, A.-I., Lema, F.-A., Amoroso, S. M., Towie, E., Riddet, C., MacLaren, D. A. , Asenov, A. and Paul, D. J. (2017) Experimental and simulation study of 1D silicon nanowire transistors using heavily doped channels. IEEE Transactions on Nanotechnology, 16(5), pp. 727-735. (doi: 10.1109/TNANO.2017.2665691)

Paul, D. J. et al. (2017) n-Ge on Si for Mid-Infrared Plasmonic Sensors. In: IEEE Photonics Society Summer Topical Meeting Series (SUM 2017), San Juan, Puerto Rico, 10-12 Jul 2017, pp. 125-126. ISBN 9781509065714 (doi: 10.1109/PHOSST.2017.8012682)

Han, G. et al. (2017) Chlorine-enabled electron doping in solution-synthesised SnSe thermoelectric nanomaterials. Advanced Energy Materials, 7(13), 1602328. (doi: 10.1002/aenm.201602328)

Mirza, M. M. , Schupp, F. J., Mol, J. A., MacLaren, D. A. , Briggs, G. A. D. and Paul, D. J. (2017) One dimensional transport in silicon nanowire junction-less field effect transistors. Scientific Reports, 7, 3004. (doi: 10.1038/s41598-017-03138-5) (PMID:28592820) (PMCID:PMC5462787)

Fischer, M. P. et al. (2017) Mid-Infrared Third-Harmonic Emission from Heavily-Doped Germanium Plasmonic Nanoantennas. In: CLEO: QLES_Fundamental Science 2017, San Jose, CA, USA, 14-19 May 2017, FF1G.2. ISBN 9781943580279 (doi: 10.1364/CLEO_QELS.2017.FF1G.2)

Schupp, F., Mirza, M. M.A. , MacLaren, D. , Briggs, A., Paul, D. and Mol, J. (2017) Silicon Transistors in Reduced Dimensions. American Physical Society (APS) March Meeting, New Orleans, LA, USA, 13-17 Mar 2017.

Fagas, G., Gammaitoni, L., Gallagher, J. P. and Paul, D. J. (Eds.) (2017) ICT - Energy Concepts for Energy Efficiency and Sustainability. Intech. ISBN 9789535130116

Alonso-Álvarez, D., Ferre Llin, L., Mellor, A., Paul, D. J. and Ekins-Daukes, N. J. (2017) Comparative study of annealed and high temperature grown ITO and AZO films for solar energy applications. MRS Advances, 2(53), pp. 3117-3122. (doi: 10.1557/adv.2017.448)

Ding, Y., Ternent, G., Saeed, A. , Hamilton, C. J., Hempler, N., Malcolm, G. P.A., Maker, G. T., Sorel, M. and Paul, D. J. (2017) GaAs-based Distributed Feedback Laser at 780 nm for 87Rb Cold Atom Quantum Technology. In: CLEO/Europe - EQEC 2017, Munich, Germany, 25-29 Jun 2017, ISBN 9781509067367 (doi: 10.1109/CLEOE-EQEC.2017.8086371)

Fagas, G., Gallagher, J. P., Luca, G. and Paul, D. J. (2017) Energy challenges for ICT. In: Fagas, G., Gammaitoni, L., Gallagher, J. P. and Paul, D. J. (eds.) ICT - Energy Concepts for Energy Efficiency and Sustainability. Intech, pp. 1-36. ISBN 9789535130116 (doi: 10.5772/66678)

Ferre Llin, L. and Paul, D. (2017) Thermoelectrics, photovoltaics and thermal photovoltaics for powering ICT devices and systems. In: Fagas, G., Gammaitoni, L., Gallagher, J. P. and Paul, D. J. (eds.) ICT - Energy Concepts for Energy Efficiency and Sustainability. InTech: Rijeka, pp. 215-237. ISBN 9789535130116 (doi: 10.5772/65983)

Fischer, M. P. et al. (2017) Germanium Nanoantennas for Plasmon-enhanced Third Harmonic Generation in the Mid Infrared. In: CLEO/Europe - EQEC 2017, Munich, Germany, 25-29 Jun 2017, ISBN 9781509067367 (doi: 10.1109/CLEOE-EQEC.2017.8087670)

Frigerio, J. et al. (2017) Heavily-doped Germanium on Silicon with Activated Doping Exceeding 1020 cm−3 as an Alternative to Gold for Mid-infrared Plasmonics. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 9-10. ISBN 9781509065684 (doi: 10.1109/GROUP4.2017.8082170)

Gallacher, K. et al. (2017) Germanium-on-silicon Waveguides for Mid-infrared Photonic Sensing Chips. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 63-64. ISBN 9781509065684 (doi: 10.1109/GROUP4.2017.8082197)

Gallacher, K. et al. (2017) Mid-infrared n-Ge on Si Plasmonic Based Microbolometer Sensors. In: 2017 IEEE 14th International Conference on Group IV Photonics (GFP), Berlin, Germany, 23-25 Aug 2017, pp. 3-4. ISBN 9781509065684 (doi: 10.1109/GROUP4.2017.8082167)

Gallacher, K. , Sorgi, A., Giliberti, V., Frigerio, J., Isella, G., Biagioni, P., Paul, D. J. , Ortolani, M. and Baldassarre, L. (2017) Integrated Germanium-on-silicon Waveguides for Mid-infrared Photonic Sensing Chips. In: 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Cancun, Mexico, 27 Aug - 01 Sep 2017, ISBN 9781509060504 (doi: 10.1109/IRMMW-THz.2017.8067105)

Paul, D. J. (2017) Nano- and micro-fabrication techniques for improving thermoelectric materials and generators. In: Nandhakumar, I., White, N. M. and Beeby, S. (eds.) Thermoelectric Materials and Devices. Series: RSC energy and environment series (17). Royal Society of Chemistry: Cambridge, UK, pp. 83-108. ISBN 9781782623236 (doi: 10.1039/9781782624042-00083)

2016

Georgiev, V. P. , Mirza, M. M. , Dochioiu, A.-I., Lema, F.-A., Amoroso, S. M., Towie, E., Riddet, C., MacLaren, D. A. , Asenov, A. and Paul, D. J. (2016) Experimental and Simulation Study of a High Current 1D Silicon Nanowire Transistor Using Heavily Doped Channels. In: 2016 IEEE Nanotechnology Materials and Devices Conference (NMDC), Toulouse, France, 9-12 Oct 2016, ISBN 9781509043521 (doi: 10.1109/NMDC.2016.7777084)

Baldassarre, L. et al. (2016) Mid-Infrared Plasmonic Platform Based on n-Doped Ge-on-Si: Molecular Sensing with Germanium Nano-Antennas on Si. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi: 10.1109/IRMMW-THz.2016.7758725)

Fischer, M. P. et al. (2016) Germanium Plasmonic Nanoantennas for Third-Harmonic Generation in the Mid Infrared. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi: 10.1109/IRMMW-THz.2016.7758692)

Gallacher, K. , Millar, R.W. , Ballabio, A., Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D.J. (2016) Mid-Infrared Intersubband Absorption from P-Ge Quantum Wells on Si. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi: 10.1109/IRMMW-THz.2016.7758421)

Pellegrini, G., Baldassarre, L., Giliberti, V., Frigerio, J., Gallacher, K. , Paul, D. J. , Isella, G., Ortolani, M. and Biagioni, P. (2016) Benchmarking the Use of Heavily-Doped Ge Against Noble Metals for Plasmonics and Sensing in the Mid-Infrared. In: 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2016), Copenhagen, Denmark, 25-30 Sept 2016, ISBN 9781467384858 (doi: 10.1109/IRMMW-THz.2016.7758628)

Gallacher, K. , Ballabio, A., Millar, R.W. , Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D. J. (2016) Intersubband Absorption in p-Ge QWs on Si. In: IEEE 13th International Conference on Group IV Photonics, Shanghai, China, 24-26 Aug 2016, pp. 30-31. ISBN 9781509019038 (doi: 10.1109/GROUP4.2016.7739130)

Baldassarre, L. et al. (2016) Mid-infrared sensing using heavily doped germanium plasmonics on silicon substrates. ECS Transactions, 75(8), pp. 247-251. (doi: 10.1149/07508.0247ecst)

Ferre Llin, L. et al. (2016) The use of silicon-germanium superlattices for thermoelectric devices and microfabricated generators. ECS Transactions, 75(8), pp. 469-478. (doi: 10.1149/07508.0469ecst)

Gallacher, K. , Ballabio, A., Millar, R. , Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D. J. (2016) Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates. ECS Transactions, 75(8), pp. 253-256. (doi: 10.1149/07508.0253ecst)

Millar, R. , Gallacher, K. , Frigerio, J., Ballabio, A., Bashir, A., MacLaren, I. , Isella, G. and Paul, D. J. (2016) Engineering large in-plane tensile strains in Ge microdisks, microrings and racetrack optical cavities. ECS Transactions, 75(8), pp. 633-640. (doi: 10.1149/07508.0633ecst)

Frigerio, J. et al. (2016) Tunability of the dielectric function of heavily doped germanium thin films for mid-infrared plasmonics. Physical Review B, 94(8), 085202. (doi: 10.1103/PhysRevB.94.085202)

Paul, D.J. (2016) 8-band k·p modelling of mid-infrared intersubband absorption in Ge quantum wells. Journal of Applied Physics, 120(4), 043103. (doi: 10.1063/1.4959259)

Fischer, M. P. et al. (2016) Optical activation of germanium plasmonic antennas in the mid-infrared. Physical Review Letters, 117(4), 047401. (doi: 10.1103/PhysRevLett.117.047401)

Pezzoli, F. et al. (2016) Disentangling nonradiative recombination processes in Ge micro-crystals on Si substrates. Applied Physics Letters, 108, 262103. (doi: 10.1063/1.4955020)

Schupp, F. J., Mirza, M. M. , MacLaren, D. A. , Briggs, A. A.D., Mol, J. A. and Paul, D. J. (2016) Top‐Down Fabricated Silicon Nanowire Junctionless Transistors. Silicon Quantum Electronics Workshop, Delft, Netherlands, 13-14 Jun 2016.

Gallacher, K. et al. (2016) Ge-on-Si photonics for mid-infrared sensing applications. MRS Advances, 1(48), pp. 3269-3279. (doi: 10.1557/adv.2016.391)

Han, G. et al. (2016) Facile surfactant-free synthesis of p-type SnSe nanoplates with exceptional thermoelectric power factors. Angewandte Chemie (International Edition), 55(22), pp. 6433-6437. (doi: 10.1002/anie.201601420) (PMID:27094703)

Paul, D. , Mirza, M. M.A. and MacLaren, D. (2016) Si Nanowires and their Transistor Properties. EMN Meeting on Nanowires, Amsterdam, Netherlands, 16-19 May 2016.

Meng, X.-l. et al. (2016) A novel absorptive/reflective solar concentrator for heat and electricity generation: an optical and thermal analysis. Energy Conversion and Management, 114, pp. 142-153. (doi: 10.1016/j.enconman.2016.02.011)

Middlemiss, R. P. , Samarelli, A., Paul, D. J. , Hough, J. , Rowan, S. and Hammond, G. D. (2016) Measurement of the Earth tides with a MEMS gravimeter. Nature, 531(7596), pp. 614-617. (doi: 10.1038/nature17397) (PMID:27029276)

Millar, R.W. , Gallacher, K. , Frigerio, J., Ballabio, A., Bashir, A., MacLaren, I. , Isella, G. and Paul, D.J. (2016) Analysis of Ge micro-cavities with in-plane tensile strains above 2%. Optics Express, 24(5), pp. 4365-4374. (doi: 10.1364/OE.24.004365)

Ferre Llin, L., Samarelli, A., Cecchi, S., Chrastina, D., Isella, G., Müller Gubler, E., Etzelstorfer, T., Stangl, J. and Paul, D.J. (2016) Thermoelectric cross-plane properties on p- and n-Ge/SixGe1-x superlattices. Thin Solid Films, 602, pp. 90-94. (doi: 10.1016/j.tsf.2015.09.059)

Millar, R.W. , Gallacher, K. , Samarelli, A., Frigerio, J., Chrastina, D., Dieing, T., Isella, G. and Paul, D.J. (2016) Expanding the Ge emission wavelength to 2.25 μm with SixNy strain engineering. Thin Solid Films, 602, pp. 60-63. (doi: 10.1016/j.tsf.2015.07.017)

Samarelli, A., Frigerio, J., Sakat, E., Baldassarre, L., Gallacher, K. , Finazzi, M., Isella, G., Ortolani, M., Biagioni, P. and Paul, D.J. (2016) Fabrication of mid-infrared plasmonic antennas based on heavily doped germanium thin films. Thin Solid Films, 602, pp. 52-55. (doi: 10.1016/j.tsf.2015.10.005)

Azough, F. et al. (2016) Ba6−3x Nd8+2x Ti18O54 tungsten bronze: a new high-temperature n-type oxide thermoelectric. Journal of Electronic Materials, 45(3), pp. 1894-1899. (doi: 10.1007/s11664-015-4275-6)

Gallacher, K. , Ballabio, A., Millar, R.W. , Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D.J. (2016) Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates. Applied Physics Letters, 108(9), 091114. (doi: 10.1063/1.4943145)

Mellor, A. et al. (2016) Specially Designed Solar Cells for Hybrid Photovoltaic-thermal Generators. In: IEEE 43rd Photovoltaic Specialist Conference (PVSC), Portland, OR, 5-10 June, 2016, pp. 2960-2963. ISBN 9781509027248 (doi: 10.1109/PVSC.2016.7750203)

Sweet, T. K.N. et al. (2016) Scalable Solar Thermoelectrics and Photovoltaics (SUNTRAP). AIP Conference Proceedings, 1766, 080007.

2015

Baldassarre, L., Sakat, E., Frigerio, J., Samarelli, A., Gallacher, K. , Calandrini, E., Isella, G., Paul, D. J. , Ortolani, M. and Biagioni, P. (2015) Midinfrared plasmon-enhanced spectroscopy with germanium antennas on silicon substrates. Nano Letters, 15(11), pp. 7225-7231. (doi: 10.1021/acs.nanolett.5b03247) (PMID:26457387)

Frigerio, J. et al. (2015) Heavily phosphorous-doped Germanium thin films for mid-infrared plasmonics. 2015 IEEE 12th International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015. pp. 94-95. ISBN 9781479982554 (doi: 10.1109/Group4.2015.7305964)

Schupp, F. et al. (2015) Ultra Scaled Silicon Nanowire Single Electron Transistors. Silicon Quantum Information Processing 2015: Scaling up (SiQIP2015), Cambridge, UK, 11 Sep 2015.

Li, W. et al. (2015) Multiphysics simulations of a thermoelectric generator. Energy Procedia, 75, pp. 633-638. (doi: 10.1016/j.egypro.2015.07.473)

Li, W. et al. (2015) Coupled simulation of performance of a crossed compound parabolic concentrator with solar cell. Energy Procedia, 75, pp. 325-330. (doi: 10.1016/j.egypro.2015.07.371)

Millar, R.W. , Gallacher, K. , Samarelli, A., Frigerio, J., Chrastina, D., Isella, G., Dieing, T. and Paul, D.J. (2015) Extending the emission wavelength of Ge nanopillars to 2.25 μm using silicon nitride stressors. Optics Express, 23(14), pp. 18193-18202. (doi: 10.1364/OE.23.018193) (PMID:26191877)

Biagioni, P., Sakat, E., Baldassarre, L., Calandrini, E., Samarelli, A., Gallacher, K. , Frigerio, J., Isella, G., Paul, D. and Ortolani, M. (2015) Mid-infrared plasmonic resonances exploiting heavily-doped Ge on Si. Proceedings of the SPIE: The International Society for Optical Engineering, 9357, p. 93570. 93570. (doi: 10.1117/12.2084500)

Biagioni, P. et al. (2015) Group-IV midinfrared plasmonics. Journal of Nanophotonics, 9(1), 093789. (doi: 10.1117/1.JNP.9.093789)

Fischer, M. P. et al. (2015) Optical Activation of Plasmonic Germanium Nanoantennas Resonant in the Mid-Infrared. 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, Munich, Germany, 21-25 June 2015. EH₅₅. ISBN 9781467374750

Fischer, M. P. et al. (2015) Optical Switching of Mid-Infrared Plasmonic Nanoantennas Based on Germanium. In: 2015 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, USA, 10-15 May 2015, FW3E.2. ISBN 9781557529688 (doi: 10.1364/CLEO_QELS.2015.FW3E.2)

Gallacher, K. et al. (2015) Mid-Infrared Intersubband Absorption in p-Ge/SiGe Quantum Wells Grown on Si. In: 2015 IEEE International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015, pp. 15-16. ISBN 9781479982547 (doi: 10.1109/group4.2015.7305931)

Millar, R.W. , Gallacher, K. , Frigerio, J., Chrastina, D., Isella, G. and Paul, D.J. (2015) Highly strained Ge on Si microdisks with silicon nitride stressors. In: 2015 IEEE 12th International Conference on Group IV Photonics (GFP), Vancouver, Canada, 26-28 Aug 2015, pp. 65-66. ISBN 9781479982547 (doi: 10.1109/group4.2015.7305948)

Odia, A., Ferre Llin, L., Paul, D. J. , Cecchi, S. and Isella, G. (2015) Modelling and Experimental Verification of a Ge/SiGe Thermoelectric Generator. In: 11th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME), Glasgow, Scotland, 29 Jun - 02 Jul 2015, pp. 254-257. ISBN 9781479982295 (doi: 10.1109/PRIME.2015.7251383)

Odia, A., FerreLlin, L., Samarelli, A. and Paul, D. J. (2015) Finite element modelling to evaluate the cross-plane thermal conductivity and seebeck coefficient of Ge/SiGe heterostructure. Materials Today: Proceedings, 2(2), pp. 510-518. (doi: 10.1016/j.matpr.2015.05.070)

Ortolani, M. et al. (2015) Time- and Frequency-Resolved Electrodynamics of Germanium Nanoantennas for Mid-Infrared Plasmonics. In: 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Hong Kong, China, 23-28 Aug 2015, pp. 1-2. (doi: 10.1109/IRMMW-THz.2015.7327717)

2014

Busche, C. et al. (2014) Design and fabrication of memory devices based on nanoscale polyoxometalate clusters. Nature, 515(7528), pp. 545-549. (doi: 10.1038/nature13951) (PMID:25409147)

Mirza, M. M. , MacLaren, D. A. , Samarelli, A., Holmes, B. M., Zhou, H., Thoms, S. , MacIntyre, D. and Paul, D. J. (2014) Determining the electronic performance limitations in top-down fabricated Si nanowires with mean widths down to 4 nm. Nano Letters, 14(11), pp. 6056-6060. (doi: 10.1021/nl5015298)

Samarelli, A., Mirza, M. M.A. , Ferre Llin, L., MacLaren, D. and Paul, D. (2014) Lateral Transport and Thermoelectric Performance of Silicon Nanowires. In: 12th European Conference on Thermoelectrics, Madrid, Spain, 24–26 Sep 2014,

Dumas, D. C. S., Gallacher, K. , Rhead, S., Myronov, M., Leadley, D. R. and Paul, D. J. (2014) Ge/SiGe quantum confined Stark effect electro-absorption modulation with low voltage swing at lambda = 1550 nm. Optics Express, 22(16), pp. 19284-19292. (doi: 10.1364/OE.22.019284)

Dumas, D.C.S., Gallacher, K. , Rhead, S., Myronov, M., Leadley, D.R. and Paul, D.J. (2014) Ge/SiGe quantum confined Stark effect modulators with low voltage swing at lambda = 1550 nm. In: 2014 IEEE 11th International Conference on Group IV Photonics (GFP),, Paris, France, 27-29 Aug 2014, pp. 245-246. (doi: 10.1109/Group4.2014.6961946)

Frigerio, J. et al. (2014) Mid-infrared plasmonic germanium antennas on silicon. In: IEEE 11th International Conference on Group IV Photonics (GFP), Paris, France, 27-29 Aug 2014, pp. 27-28. (doi: 10.1109/Group4.2014.6962011)

Millar, R.W. , Gallacher, K. , Samarelli, A., Dumas, D.C.S., Frigerio, J., Chrastina, D., Isella, G. and Paul, D.J. (2014) Process Induced Tensile Strain of Ge on Si Nanopillars by ICP-PECVD SiN Stressor Layers. In: IEEE 11th International Conference on Group IV Photonics (GFP), Paris, France, 27-29 Aug 2014, pp. 235-236. (doi: 10.1109/Group4.2014.6961941)

Samarelli, A. et al. (2014) Prospects for SiGe thermoelectric generators. Solid-State Electronics, 98, 70 - 74. (doi: 10.1016/j.sse.2014.04.003)

Dumas, D.C.S., Gallacher, K. , Millar, R. , MacLaren, I. , Myronov, M., Leadley, D.R. and Paul, D.J. (2014) Silver antimony Ohmic contacts to moderately doped n-type germanium. Applied Physics Letters, 104(16), p. 162101. (doi: 10.1063/1.4873127)

Cumming, D. R.S. , Furber, S. B. and Paul, D. J. (2014) Beyond Moore's law. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 372(2012), p. 20130376. (doi: 10.1098/rsta.2013.0376)

Perenzoni, M. and Paul, D. J. (Eds.) (2014) Physics and Applications of Terahertz Radiation. Series: Springer Series in Optical Science. Springer: Dordrecht. ISBN 9789400738362

Al-Khalidi, A. , Gallacher, K. , Khalid, A. , Paul, D. and Wasige, E. (2014) 0.25 Ω-mm Ohmic contacts to AlN/GaN HEMT structure with in-situ SiN passivation. In: 7th Wide Band Gap Semiconductors and Components Workshop, Frascati, Italy, 11-12 Sep 2014,

Baldassarre, L. et al. (2014) Mid-Infrared Plasmonic Platform based on Heavily Doped Epitaxial Ge-on-Si: Retrieving the Optical Constants of Thin Ge Epilayers. In: 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Tucson, AZ, USA, 14-19 Sep 2014, ISBN 9781479938773 (doi: 10.1109/IRMMW-THz.2014.6956438)

Cecchi, S., Gatti, E., Chrastina, D., Frigerio, J., Müller Gubler, E., Paul, D.J. , Guzzi, M. and Isella, G. (2014) Thin SiGe virtual substrates for Ge heterostructures integration on silicon. Journal of Applied Physics, 115(9), 093502. (doi: 10.1063/1.4867368)

Samarelli, A. et al. (2014) Multilayered Ge/SiGe material in microfabricated thermoelectric modules. Journal of Electronic Materials, 43(10), pp. 3838-3843. (doi: 10.1007/s11664-014-3233-z)

Samarelli, A., Ferre Llin, L., Cecchi, S., Frigerio, J., Etzelstorfer, T., Muller Gubler, E., Stangl, J., Chrastina, D., Isella, G. and Paul, D. (2014) The thermoelectric properties of Ge/SiGe based superlattices: from materials to energy harvesting modules. ECS Transactions, 64(6), pp. 929-937. (doi: 10.1149/06406.0929ecst)

2013

Warburton, R.E. et al. (2013) Ge-on-Si single-photon avalanche diode detectors: design, modeling, fabrication, and characterization at wavelengths 1310 and 1550 nm. IEEE Transactions on Electron Devices, 60(11), pp. 3807-3813. (doi: 10.1109/TED.2013.2282712)

Chrastina, D. et al. (2013) Ge/SiGe superlattices for nanostructured thermoelectric modules. Thin Solid Films, 543, pp. 153-156. (doi: 10.1016/j.tsf.2013.01.002)

Mirza, M. M. , Thoms, S. , Macintyre, D., MacLaren, D. and Paul, D. (2013) Fabrication and Characterization of Silicon Nanowires with Width Down to 1.9 nm. In: 39th International Conference on Micro and Nano Engineering (MNE), London, UK, 16-19 Sep 2013,

Samarelli, A., Ferre Llin, L., Mirza, M. M. , MacLaren, D. and Paul, D. (2013) The Thermoelectric Properties of Sub-50 nm Silicon Nanowires. In: 39th International Conference on Micro and Nano Engineering (MNE), London, UK, 16-19 Sep 2013,

Ferre Llin, L. et al. (2013) The cross-plane thermoelectric properties of p-Ge/Si0.5Ge0.5 superlattices. Applied Physics Letters, 103(14), Art. 143507. (doi: 10.1063/1.4824100)

Ortolani, M., Baldassarre, L., Nucara, A., Samarelli, A., Paul, D.J. , Frigerio, J., Isella, G., Finazzi, M. and Biagioni, P. (2013) Mid-infrared plasmonic antennas made of electron-doped epitaxial germanium-on-silicon. In: 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Mainz, Germany, 1-6 Sep 2013, ISBN 9781467347174 (doi: 10.1109/IRMMW-THz.2013.6665614)

Velha, P., Dumas, D. C., Gallacher, K. , Millar, R. , Myronov, M., Leadley, D. R. and Paul, D. J. (2013) Strained Germanium Nanostructures on Silicon Emitting at >2.2 µm Wavelength. In: 2013 IEEE 10th International Conference on Group IV Photonics (GFP), Seoul, South Korea, 23-30 Aug 2013, pp. 142-143. ISBN 9781467358040 (doi: 10.1109/Group4.2013.6644411)

Cecchi, S. et al. (2013) Ge/SiGe superlattices for thermoelectric devices grown by low-energy plasma-enhanced chemical vapor deposition. Journal of Electronic Materials, 42(7), pp. 2030-2034. (doi: 10.1007/s11664-013-2511-5)

Ferre Llin, L. et al. (2013) Thermal conductivity measurement methods for SiGe thermoelectric materials. Journal of Electronic Materials, 42(7), pp. 2376-2380. (doi: 10.1007/s11664-013-2505-3)

Samarelli, A. et al. (2013) Power factor characterization of Ge/SiGe thermoelectric superlattices at 300 K. Journal of Electronic Materials, 42(7), pp. 1449-1453. (doi: 10.1007/s11664-012-2287-z)

Samarelli, A. et al. (2013) The thermoelectric properties of Ge/SiGe modulation doped superlattices. Journal of Applied Physics, 113(23), Art. 233704. (doi: 10.1063/1.4811228)

Mirza, M. M. , MacLaren, D. and Paul, D. (2013) Silicon Nanowires with Widths Down to 1.9 nm for Breath Analysis Applications. Glasgow Research Partnership in Engineering (GRPE) Conference, Glasgow, UK, 19 Jun 2013.

Cecchi, S., Etzelstorfer, T., Müller, E., Samarelli, A., Ferre Llin, L., Chrastina, D., Isella, G., Stangl, J. and Paul, D.J. (2013) Ge/SiGe superlattices for thermoelectric energy conversion devices. Journal of Materials Science, 48(7), pp. 2829-2835. (doi: 10.1007/s10853-012-6825-0)

Gallacher, K. F., Velha, P., Paul, D. J. , Maclaren, I., Myronov, M. and Leadly, D. R. (2013) Low specific ohmic contacts to n-type germanium using a low temperature NiGe process. ECS Transactions, 50(9), pp. 1081-1084. (doi: 10.1149/05009.1081ecst)

Ternent, G. and Paul, D. J. (2013) Si/SiGe tunneling static random access memories. ECS Transactions, 50(9), pp. 987-990. (doi: 10.1149/05009.0987ecst)

Intermite, G. et al. (2013) Design and performance of a prototype mesa-geometry Ge-on-Si single-photon avalanche diode detector at 1310 nm and 1550 nm wavelengths. In: IEEE 10th International Conference on Group IV Photonics, Seoul, South Korea, 28-30 Aug 2013, pp. 132-133. (doi: 10.1109/Group4.2013.6644406)

Paul, D.J. et al. (2013) Prospects for SiGe thermoelectric generators. In: 14th International Conference on Ultimate Integration on Silicon (ULIS) 2013, Warwick, U.K., 19-21 Mar 2013, pp. 5-8. (doi: 10.1109/ULIS.2013.6523478)

2012

Mirza, M. M. , Zhou, H., Velha, P., Li, X. , Docherty, K. E., Samarelli, A., Ternent, G. and Paul, D. J. (2012) Nanofabrication of high aspect ratio (∼50:1) sub-10 nm silicon nanowires using inductively coupled plasma etching. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 30(6), 06FF02. (doi: 10.1116/1.4755835)

Mirza, M. M. A. , Zhou, H., Docherty, K., Thoms, S. , Macintyre, D. and Paul, D. (2012) High Aspect Ratio (~25:1) Sub-10 Nm HSQ Lines Using Electron Beam Lithography. In: EIPBN 2012: The 56th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication, Waikoloa,HI USA, 29 May - 01 June 2012., Waikoloa, HI, USA, 29 May - 1 June 2012,

Gallacher, K. , Velha, P., Paul, D.J. , MacLaren, I. , Myronov, M. and Leadley, D.R. (2012) Ohmic contacts to n-type germanium with low specific contact resistivity. Applied Physics Letters, 100(2), 022113. (doi: 10.1063/1.3676667)

Gallacher, K. , Velha, P., Paul, D.J. , MacLaren, I. , Myronov, M. and Leadley, D.R. (2012) Low specific ohmic contacts to n-type germanium using a low temperatrue NiGe process. ECS Transactions, 50(9), pp. 1081-1084. (doi: 10.1149/05009.1081ecst)

Gallacher, K. , Velha, P., Paul, D. , Cecchi, S., Frigerio, J., Chrastina, D. and Isella, G. (2012) 1.55 μm direct bandgap electroluminescence from strained n-Ge quantum wells grown on Si substrates. Applied Physics Letters, 101(21), p. 211101. (doi: 10.1063/1.4767138)

Gallacher, K. , Velha, P., Paul, D. , Frigerio, J., Chrastina, D. and Isella, G. (2012) 1.55 um electroluminescence from strained n-Ge quantum wells on silicon substrates. In: 2012 IEEE 9th International Conference on Group IV Photonics (GFP), San Diego, CA, 23-31 Aug 2012, (doi: 10.1109/GROUP4.2012.6324093)

Kelsall, R.W. et al. (2012) Germanium/silicon heterostructures for terahertz emission. ECS Transactions, 50(9), pp. 763-771.

Mirza, M.M. , Velha, P., Ternent, G., Zhou, H.P., Docherty, K.E. and Paul, D.J. (2012) Silicon nanowire devices with widths below 5nm. In: 12th IEEE Conference on Nanotechnology, Birmingham, UK, 20-23 Aug 2012, (doi: 10.1109/NANO.2012.6322005)

Mirza, M. M. , Zhou, H., Velha, P., Li, X. , Docherty, K. E., Samarelli, A., Ternent, G. and Paul, D. J. (2012) Nanofabrication of high aspect ratio (˜50:1) sub-10 nm silicon nanowires using inductively coupled plasma etching. In: EIPBN 2012: The 56th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication, Waikoloa,HI USA, 29 May - 01 June 2012,

Paul, D. et al. (2012) Si/SiGe nanoscale engineered thermoelectric materials for energy harvesting. In: 12th IEEE Conference on Nanotechnology, Birmingham, UK, 20-23 Aug 2012, (doi: 10.1109/NANO.2012.6322044)

Paul, D. et al. (2012) Si/SiGe thermoelectric generators. ECS Transactions, 50(9), pp. 959-963. (doi: 10.1149/05009.0959ecst)

Ternent, G., Mirza, M.M. , Missous, M. and Paul, D. (2012) Scaling resonant tunnelling diodes and nanowires using SPICE modelling to optimise nanoscale performance. In: 12th IEEE Conference on Nanotechnology, Birmingham, UK, 20-23 Aug 2012, (doi: 10.1109/NANO.2012.6322050)

Ternent, G. and Paul, D. (2012) Si/SiGe tunnelling static random access memories. ECS Transactions, 50(9), pp. 987-990.

Ternent, G. and Paul, D. (2012) SPICE modeling of the scaling of resonant tunneling diodes and the effects of sidewall leakage. IEEE Transactions on Electron Devices, 59(12), pp. 3555-3560. (doi: 10.1109/TED.2012.2219867)

Velha, P., Gallacher, K. , Dumas, D., Paul, D. , Myronov, M. and Leadley, D.R. (2012) Long wavelength > 1.9 um germanium for optoelectronics using process induced strain. ECS Transactions, 50(9), pp. 779-782.

Velha, P., Gallacher, K., Dumas, D., Paul, D.J. , Myronov, M. and Leadley, D.R. (2012) Direct band-gap electroluminescence from strained n-doped Germanium diodes. In: 2012 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, 6-11 May 2012, pp. 1-2.

Velha, P., Gallacher, K., Dumas, D., Paul, D.J. , Myronov, M. and Leadley, D.R. (2012) Tuning the electroluminescence of n-Ge LEDs using process induced strain. In: 2012 IEEE 9th International Conference on Group IV Photonics (GFP), San Diego, CA, 23-31 Aug 2012, pp. 337-339. (doi: 10.1109/GROUP4.2012.6324179)

Velha, P., Gallacher, K. , Dumas, D., Paul, D. , Myronov, M. and Leadley, D.R. (2012) Direct Band-gap Electroluminescence from Strained n-Ge Light Emmitting Diodes. ECS Transactions, 50(9), pp. 305-308.

Velha, P., Paul, D.J. , Myronov, M. and Leadley, D.R. (2012) Process-induced strain bandgap reduction in Germanium nanostructures. In: 2012 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, 6-11 May 2012, pp. 1-2. (doi: 10.1364/CLEO_SI.2012.CTh3D.1)

2011

Watling, J.R. and Paul, D.J. (2011) A study of the impact of dislocations on the thermoelectric properties of quantum wells in the Si/SiGe materials system. Journal of Applied Physics, 110, p. 114508. (doi: 10.1063/1.3665127)

2010

Paul, D.J. (2010) The progress towards terahertz quantum cascade lasers on silicon substrates. Laser and Photonics Reviews, 4(5), pp. 610-632. (doi: 10.1002/lpor.200910038)

Matmon, G. et al. (2010) Si/SiGe quantum cascade superlattice designs for terahertz emission. Journal of Applied Physics, 107(5), 053109. (doi: 10.1063/1.3319653)

Paul, D. J. (2010) Si/SiGe Heterostructures in Nanoelectronics. In: Narlikar, A.V. and Fu, Y.U. (eds.) Oxford Handbook of Nanoscience and Technology. Oxford University Press: Oxford. ISBN 9780199574438

2009

Paul, D.J. (2009) Foreword to a special issue of 'solid-state electronics': papers selected from the 4th international SiGe technology and device meeting (ISTDM 2008). Solid-State Electronics, 53(8), p. 815. (doi: 10.1016/j.sse.2009.04.034)

Paul, D.J. (2009) Silicon photonics: a bright future? Electronics Letters, 45(12), pp. 582-584. (doi: 10.1049/el.2009.1271)

2008

Zhao, M., Karim, A., Hansson, G.V., Ni, W.-X., Townsend, P., Lynch, S.A. and Paul, D.J. (2008) Molecular beam epitaxy growth of Si/SiGe bound-to-continuum quantum cascade structures for THz emission. Thin Solid Films, 517(1), pp. 34-37. (doi: 10.1016/j.tsf.2008.08.091)

Zhou, D. X., Parrott, E. P. J., Paul, D. J. and Zeitler, J. A. (2008) Determination of complex refractive index of thin metal films from terahertz time-domain spectroscopy. Journal of Applied Physics, 104(5), (doi: 10.1063/1.2970161)

Vinh, N. Q. et al. (2008) Silicon as a model ion trap: Time domain measurements of donor Rydberg states. Proceedings of the National Academy of Sciences of the United States of America, 105(31), pp. 10649-10653. (doi: 10.1073/pnas.0802721105)

Paul, D.J. (2008) 8-band k.p modeling of the quantum confined Stark effect in Ge quantum wells on Si substrates. Physical Review B, 77, p. 155323. (doi: 10.1103/PhysRevB.77.155323)

Ferrus, T., George, R., Barnes, C. H. W., Lumpkin, N., Paul, D. J. and Pepper, M. (2008) Variation in the hopping exponent in disordered silicon MOSFETs. Journal of Physics: Condensed Matter, 20(41), p. 415226. (doi: 10.1088/0953-8984/20/41/415226)

Isella, G. et al. (2008) SiGe/Si quantum cascade structures deposited by low-energy plasma-enhanced CVD. In: Proceedings of the 5th IEEE International Conference on Group IV Photonics, 17-19 Sept. 2008 , Cardiff, Wales. IEEE Computer Society: Piscataway, N.J., USA. ISBN 9781424417698 (doi: 10.1109/GROUP4.2008.4638086)

Paul, D. J. , Matmon, G., Ikonic, Z., Kelsall, R. W., Chrastina, D., Isella, G., von Kanel, H., Muller, E. and Neela, A. (2008) Si/SiGe terahertz bound-to-continuum quantum cascade emitters. In: Harame, D., Caymax, M., Koester, S., Miyazaki, S., Rim, K., Tillack, B., Boquet, J., Cressier, J., Masini, G., Reznicek, A. and Takagi, S. (eds.) SIGE GE and Related Compounds 3: Materials, :Processing and Devices. Series: ECS Transactions, 16 (16 (10). Electrochemical Society: Pennington, NJ, pp. 865-874. ISBN 978-1-56677-656-1

Paul, D. J. , Matmon, G., Lever, L., Ikonic, Z., Kelsall, R. W., Charastina, D., Isella, G. and von Kanel, H. (2008) Si/SiGe bound-to-continuum quantum cascade terahertz emitters - art. no. 69961C. In: Righini, G.C., Honkanen, S.K., Pavesi, L. and Vivien, L. (eds.) Silicon Photonics and Photonic Integrated Circuits. Series: Proceedings of the Society of Photo-Optical Instrumentation Engineers (SPIE) (6996). SPIE: Bellingham, WA, C9961-C9961. ISBN 978-0-8194-7194-9

Paul, D.J., Matmon, G., Lever, L., Ikonic, Z., Kelsall, R., Chrastina, D., Isella, G., Von Kanel, H., Muller, E. and Neels, A. (2008) Si/SiGe bound-to-continuum quantum cascade emitters. In: 214 th ESC Meeting: SiGe, Ge and related Compounds 3: Materials, Processing and Devices, Honolulu, HI, 12-17 October 2008, pp. 865-874. ISBN 9781566776561 (doi: 10.1149/1.2986846)

Paul, D. J. , Matmon, G., Lever, L., Ikonic, Z., Kelsall, R., Chrastina, D., Isella, G., Von Känel, E. and Neels, A. (2008) Si/SiGe bound-to-continuum quantum cascade emitters. ECS Transactions, 16(10), pp. 865-874. (doi: 10.1149/1.2986846)

Ross, I.M. et al. (2008) Structural and Compositional Properties of Strain-Symmetrized SiGe/Si Heterostructures. Microscopy of Semiconducting Materials 2007, Cambridge, UK, 2-5 April 2007. 269 - 272. ISBN 9781402086144 (doi: 10.1007/978-1-4020-8615-1_59)

2007

Ferrus, T., George, R., Barnes, C.H.W., Lumpkin, N., Paul, D.J. and Pepper, M. (2007) Magnetoconductivity of Hubbard bands induced in silicon MOSFETs. Physica B: Condensed Matter, 400(1-2), pp. 218-223. (doi: 10.1016/j.physb.2007.07.011)

Paul, D.J. , Matmon, G., Townsend, P., Zhang, J., Zhao, M. and Ni, W.X. (2007) A review of progress towards terahertz Si/SiGe quantum cascade lasers. IETE Journal of Research, 53(3), pp. 285-292. (doi: 10.1080/03772063.2007.10876142)

Califano, M. et al. (2007) Interface Roughness Scattering in p-Si/SiGe Asymmetric Quantum Wells. 2007 APS March Meeting, Denver, CO, USA, 05-09 Mar 2007. U43.007.

Sturm, J., Fitzgerald, E., Koester, S., Kolodzey, J., Murota, J., Paul, D.J. , Tillack, B., Zaima, S., Ghyselen, B. and Takagi, S. (2007) Papers from the 3rd international SiGe technology and device meeting (Princeton, New Jersey, USA, 15–17 May 2006) (ISTDM 2006). Semiconductor Science and Technology, 22(1), (doi: 10.1088%2F0268-1242%2F22%2F1%2Fe01)

Califano, M. et al. (2007) Interwell relaxation times in p-Si/SiGe asymmetric quantum well structures: Role of interface roughness. Physical Review B, 75, (doi: 10.1103/PhysRevB.75.045338)

Ferrus, T., George, R., WBarnes, C.H., Lumpkin, N., Paul, D.J. and Pepper, M. (2007) Activation mechanisms in sodium-doped silicon MOSFETs. Journal of Physics: Condensed Matter, 19, (doi: 10.1088/0953-8984/19/22/226216)

Suet, Z., Paul, D., Zhang, J. and Turner, S. (2007) Si/SiGe n-type resonant tunneling diodes fabricated using in situ hydrogen cleaning. Applied Physics Letters, 90, (doi: 10.1063/1.2739089)

2006

Zhao, M., Ni, W.X., Townsend, P., Lynch, S.A., Paul, D.J. , Hsu, C.C. and Chang, M.N. (2006) Low-temperature molecular beam epitaxy growth of Si/SiGe THz quantum cascade structures on virtual substrates. Thin Solid Films, 508(1-2), pp. 24-28. (doi: 10.1016/j.tsf.2005.07.355)

Paul, D.J. , Townsend, P., Lynch, S.A., Zhao, M., Ni, W.X. and Zhang, J. (2006) Bound-to-Continuum Quantum Cascade Emitters for Terahertz Emission. 2006 International SiGe Technology and Device Meeting, Princeton, NJ, USA, 15-17 May 2006. pp. 1-2. ISBN 1424404614 (doi: 10.1109/ISTDM.2006.246503)

Olsen, S.H., Temple, M., O'Neill, A.G., Paul, D.J. , Chattopadhyay, S., Kwa, K.S.K. and Driscoll, L.S. (2006) Doubling speed using strained Si/SiGe CMOS technology. Thin Solid Films, 508(1-2), pp. 338-341. (doi: 10.1016/j.tsf.2005.07.347)

Ferrus, T., George, R., Barnes, C.H.W., Lumpkin, N., Paul, D.J. and Pepper, M. (2006) Evidence for multiple impurity bands in sodium-doped silicon MOSFETs. Physical Review B, 73(4), 041304. (doi: 10.1103/PhysRevB.73.041304)

Ferrus, T., George, R., Barnes, C.H.W., Lumpkin, N., Paul, D.J. and Pepper, M. (2006) Evidence for multiple impurity bands in sodium-doped silicon MOSFETs. Physical Review B, 73, 041304. (doi: 10.1103/PhysRevB.73.041304)

De Rossi, A., Carras, M. and Paul, D. (2006) Low-loss surface-mode waveguides for terahertz Si-SiGe quantum cascade lasers. IEEE Journal of Quantum Electronics, 42, pp. 1233-1238. (doi: 10.1109/JQE.2006.883496)

Lynch, S. et al. (2006) Toward silicon-based lasers for terahertz sources. IEEE Journal of Selected Topics in Quantum Electronics, 12, pp. 1570-1578. (doi: 10.1109/JSTQE.2006.884069)

Pidgeon, C.R., Phillips, P.J., Carder, D., Murdin, B.N., Fromherz, T. and Paul, D.J. (2006) Pump-probe measurement of lifetime engineering in far-infrared SiGe quantum wells. Institute of Physics Conference Series, 187, pp. 203-208.

Zhao, M., Karim, A., Ni, W., Pidgeon, C., Phillips, P., Carder, D., Murdin, B., Fromherz, T. and Paul, D. (2006) Strain-symmetrized Si/SiGe multi-quantum well structures grown by molecular beam epitaxy for intersubband engineering. Journal of Luminescence, 121, pp. 403-408. (doi: 10.1016/j.jlumin.2006.08.080)

2005

Paul, D.J. (2005) Silicon Quantum Information Processing. Project Report. DOD, USA.

Pidgeon, C.R., Phillips, P.J., Carder, D., Murdin, B.N., Fromherz, T., Paul, D.J. , Ni, W.X. and Zhao, M. (2005) Pump-probe measurement of lifetime engineering in SiGe quantum wells below the optical phonon energy. Semiconductor Science and Technology, 20(10), L50-L52. (doi: 10.1088/0268-1242/20/10/l02)

Lynch, S.A., Townsend, P., Matmon, G., Paul, D.J. , Bain, M., Gamble, H.S., Zhang, J., Ikonic, Z., Kelsall, R.W. and Harrison, P. (2005) Temperature dependence of terahertz optical transitions from boron and phosphorus dopant impurities in silicon. Applied Physics Letters, 87(10), 101114. (doi: 10.1063/1.2042544)

Dragosavac, M., Paul, D.J. , Pepper, M., Fowler, A.B. and Buchanan, D.A. (2005) Electron effective mass enhancement in ultrathin gate-oxide Si-MOSFETs. In: 27th International Conference on the Physics of Semiconductors - ICPS-27, Flagstaff, AZ, USA, 26-30 Jul 2004, pp. 495-496. (doi: 10.1063/1.1994200)

Matmon, G., Lynch, S.A., Townsend, P., Paul, D.J. , Bain, M., Gamble, H.S., Zhang, J., Ikonic, Z., Kelsall, R.W. and Harrison, P. (2005) Terahertz emission and absorption characteristics of silicon containing boron and phosphorous impurity dopants and the effect of temperature. In: 2nd IEEE International Conference on Group IV Photonics, Antwerp, Belgium, 21-23 Sept 2005, pp. 13-15. ISBN 0780390709 (doi: 10.1109/GROUP4.2005.1516386)

Townsend, P. et al. (2005) LO phonon scattering as a depopulation mechanism in Si/SiGe quantum cascades. In: 2nd IEEE International Conference on Group IV Photonics, Antwerp, Belgium, 21-23 Sept 2005, pp. 7-9. ISBN 0780390709 (doi: 10.1109/GROUP4.2005.1516384)

Dragosavac, M., Paul, D.J. , Pepper, M., Fowler, A.B. and Buchanan, D.A. (2005) Electron effective mass in ultrathin oxide silicon MOSFET inversion layers. Semiconductor Science and Technology, 20(8), pp. 664-667. (doi: 10.1088/0268-1242/20/8/002)

Zhang, J., Li, X.B., Neave, J.H., Norris, D.J., Cullis, A.G., Kelsall, R.W., Lynch, S., Towsend, P., Paul, D.J. and Fewster, P.F. (2005) SiGe quantum cascade structures for light emitting devices. Journal of Crystal Growth, 278(1-4), pp. 488-494. (doi: 10.1016/j.jcrysgro.2004.12.046)

Kelsall, R.W. et al. (2005) Intersubband lifetimes in p-Si / Si Ge terahertz quantum cascade heterostructures. Physical Review B, 71, 115326. (doi: 10.1103/PhysRevB.71.115326)

Paul, D.J. et al. (2005) In search of a Si/SiGe THz quantum cascade laser. In: Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, Atlanta, GA, USA, 08-10 Sept 2004, pp. 143-146. ISBN 0780387031 (doi: 10.1109/SMIC.2004.1398188)

Nicholas, G., Grasby, T.J., Parker, E.H.C., Whall, T.E., Paul, D.J. , Evans, G.R. and von Kanel, H. (2005) Investigation of the injection velocity of holes in strained Si pMOSFETs. Semiconductor Science and Technology, 20(5), L20-L22. (doi: 10.1088/0268-1242/20/5/l02)

Shlimak, I., Ginodman, V., Gerber, A.B., Milner, A., Friedland, K.J. and Paul, D.J. (2005) Transverse "resistance overshoot" in a Si/SiGe two-dimensional electron gas in the quantum Hall effect regime. Europhysics Letters, 69(6), pp. 997-1002. (doi: 10.1209/epl/i2004-10454-4)

Kelsall, R.W. et al. (2005) Optical cavities for Si/SiGe tetrahertz quantum cascade emitters. Optical Materials, 27(5), pp. 851-854. (doi: 10.1016/j.optmat.2004.08.023)

Li, X.B., Neave, J.H., Norris, D.J., Cullis, A.G., Paul, D.J. , Kelsall, R.W. and Zhang, J. (2005) Growth and structural characterisation of Si/SiGe hetero structures for optoelectronic applications. Optical Materials, 27(5), pp. 855-858. (doi: 10.1016/j.optmat.2004.08.024)

Paul, D.J. et al. (2005) Strained-Si n-MOS surface-channel and buried Si0.7Ge0.3 compressively-strained p-MOS fabricated in a 0.25 mu m heterostructure CMOS process. Materials Science in Semiconductor Processing, 8(1-3), pp. 343-346. (doi: 10.1016/j.mssp.2004.09.106)

Paul, D.J. et al. (2005) Towards a Si/SiGe quantum cascade laser for terahertz applications. In: Group-IV Semiconductor Nanostructures, Boston, MA, USA, 29 Nov - 02 Dec 2004, pp. 59-68. (doi: 10.1557/PROC-832-F4.1)

Lynch, S.A. et al. (2005) Silicon quantum cascade lasers for THz sources. In: 18th IEEE LEOS Annual Meeting, Sydney, Australia, 22-28 Oct 2005, pp. 727-728. ISBN 0780392175 (doi: 10.1109/LEOS.2005.1548213)

Kasper, E. and Paul, D.J. (2005) Silicon Quantum Integrated Circuits: Silicon-Germanium Heterostructure Devices: Basics and Realisations. Series: Nanoscience and Technology. Springer-Verlag: Berlin Heidelberg. ISBN 9783540263821 (doi: 10.1007/b137494)

Zhao, M., Ni, W.X., Townsend, P., Lynch, S.A., Paul, D.J. , Hsu, H.H. and Chang, M.N. (2005) Growth and Characterization of Strain-Symmetried Si/SiGe THz Quantum Cascade Structures. IEEE International Conference on Group IV Photonics, 2005. 2nd, Antwerp, Belgium, 21-23 Sept 2005. 10 - 12.

2004

Paul, D. J. (2004) Si/SiGe heterostructures: from material and physics to devices and circuits. Semiconductor Science and Technology, 19(10), R75-R108. (doi: 10.1088/0268-1242/19/10/R02)

Olsen, S.H., O'Neill, A.G., Chattopadhyay, S., Driscoll, L.S., Kwa, K.S.K., Norris, D.J., Cullis, A.G. and Paul, D.J. (2004) Study of single- and dual-channel designs for high-performance strained-Si-SiGe n-MOSFETs. IEEE Transactions on Electron Devices, 51(8), pp. 1245-1253. (doi: 10.1109/TED.2004.830652)

Kelsall, R.W. et al. (2004) Towards SiGe Terahertz VCSELs. In: Progress in Advanced Materials and Processes: Proceedings of the Fifth Yugoslav Materials Research Society Conference Yucomat 2003, Herceg Novi, Yugoslavia, 15-19 September 2003, pp. 1-8.

Lewalle, A., Pepper, M., Ford, C.J.B., Paul, D.J. and Redmond, G. (2004) Masking by weak localization of metallic behavior in a two-dimensional electron system in strong parallel magnetic fields. Physical Review B, 69, 075316. (doi: 10.1103/PhysRevB.69.075316)

Paul, D. et al. (2004) Towards a Si/SiGe quantum cascade laser for terahertz applications. MRS Proceedings, 832, (doi: 10.1557/PROC-832-F4.1)

Shlimak, I., Ginodman, V., Levin, M., Potemski, M., Maude, D.K., Gerber, A., Milner, A. and Paul, D.J. (2004) Conductivity of weakly and strongly localized electrons in a n-type Si/SiGe heterostructure. Physica Status Solidi C, 1(1), pp. 67-70. (doi: 10.1002/pssc.200303643)

2003

Bates, R. et al. (2003) Interwell intersubband electroluminescence from Si/SiGe quantum cascade emitters. Applied Physics Letters, 83(20), pp. 4092-4094. (doi: 10.1063/1.1626003)

Olsen, S. H. et al. (2003) High-performance nMOSFETs using a novel strained Si/SiGe CMOS architecture. IEEE Transactions on Electron Devices, 50(9), pp. 1961-1969. (doi: 10.1109/TED.2003.815603)

Shlimak, I., Ginodman, V., Levin, M., Potemski, M., Maude, D.K., Friedland, K.-J. and Paul, D.J. (2003) Longitudinal conductivity in Si/SiGe heterostructure at integer filling factors. Physical Review B, 68, 075321. (doi: 10.1103/PhysRevB.68.075321)

Lynch, S.A., Paul, D.P. , Bates, R., Norris, D.J., Cullis, A.G., Ikonic, Z., Kelsall, R.W., Harrison, P., Arnone, D.D. and Pidgeon, C.R. (2003) Far infrared (THz) Electroluminescence from Si/SiGe Quantum Cascade Heterostructures. In: Opto-Ireland 2002: Optics and Photonics Technologies and Applications, Galway, Ireland, 5-6 Septmber 2002, pp. 140-149. (doi: 10.1117/12.463738)

Chang, A.C.K., Norris, D.J., Cullis, A.G. and Paul, D.J. (2003) Advanced TEM Analysis of Strain-Balanced Si/SiGe Resonant Tunnelling Diode Structures. In: Microscopy of Semiconducting Materials 2003, Cambridge, UK, 31 March - 3 April 2003, pp. 163-166.

Liew, S.L. et al. (2003) Analysis of Terahertz-Emitting SiGe Quantum Cascade Structures by Transmission Electron Microscopy. In: Microscopy of Semiconducting Materials 2003, Cambridge, UK, 31 March - 3 April 2003, pp. 155-158. ISBN 9781351074636

Paul, D.J. et al. (2003) Electroluminescence from Si/SiGe quantum cascade emitters. Physica E: Low-Dimensional Systems and Nanostructures, 16(3-4), pp. 309-314. (doi: 10.1016/S1386-9477(02)00689-6)

Paul, D.J. et al. (2003) Si/SiGe quantum-cascade emitters for terahertz applications. Physica E: Low-Dimensional Systems and Nanostructures, 16(1), pp. 147-155. (doi: 10.1016/S1386-9477(02)00590-8)

Kelsall, R.W. et al. (2003) Terahertz emission from silicon-germanium quantum cascades. In: Pavesi, L., Gaponenko, S. and Dal Negro, L. (eds.) Towards the First Silicon Laser. Series: NATO Science Series (Series II: Mathematics, Physics and Chemistry), 93. Springer Netherlands: Dordrecht, pp. 367-382. ISBN 9781402011948 (doi: 10.1007/978-94-010-0149-6_33)

Lewalle, A., Pepper, M., Ford, C., Paul, D. and Redmond, G. (2003) Weak localisation and the "Destruction" of the two-dimensional metallic behaviour by a parallel magnetic field. Institute of Physics Conference Series, 171, L1.5.

Olsen, S.H. et al. (2003) High Performance Strained Si/SiGe nMOSFETs Using a Novel CMOS Architecture. Third International Conference on SiGe(C) Epitaxy and Heterostructures

Paul, D. (2003) Nanoelectronics. In: Encyclopedia of Physical Science and Technology (Third Edition). Academic Press: New York, 285 - 301. ISBN 9780122274107 (doi: 10.1016/B0-12-227410-5/00469-5)

2002

Kelsall, R. W. et al. (2002) Terahertz intersubband emission from silicon-germanium quantum cascades. Proceedings, IEEE Tenth International Conference on Terahertz Electronics, Cambridge, UK, 10 September 2002. pp. 9-12. ISBN 0780376307 (doi: 10.1109/THZ.2002.1037575)

Lynch, S.A., Bates, R., Paul, D.J. , Norris, D.J., Cullis, A.G., Ikonic, Z., Kelsall, R.W., Harrison, P., Arnone, D.D. and Pidgeon, C.R. (2002) Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies. Applied Physics Letters, 81(9), pp. 1543-1545. (doi: 10.1063/1.1501759)

Lewalle, A., Pepper, M., Ford, C.J.B., Hwang, E.H., Das Sarma, S., Paul, D.J. and Redmond, G. (2002) Relative importance of the electron interaction strength and disorder in the two-dimensional metallic state. Physical Review B, 66, 075324. (doi: 10.1103/PhysRevB.66.075324)

Pidgeon, C.R. et al. (2002) THz intersubband dynamics in p-Si/SiGe quantum well structures. Physica E: Low-Dimensional Systems and Nanostructures, 13(2-4), pp. 904-907. (doi: 10.1016/S1386-9477(02)00231-X)

Murzyn, P. et al. (2002) Picosecond intersubband dynamics in p-Si/SiGe quantum-well emitter structures. Applied Physics Letters, 80(8), pp. 1456-1458. (doi: 10.1063/1.1452794)

Lynch, S.A. et al. (2002) Si-based electroluminescence at THz frequencies. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 89(1-3), pp. 10-12. (doi: 10.1016/S0921-5107(01)00782-6)

Paul, D.J. , Ahmed, A., Churchill, A.C., Robbins, D.J. and Leong, W.Y. (2002) Low-dimensional inverted Si/SiGe modulation-doped electron gases using selective ex-situ ion implantation. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 89(1-3), pp. 111-115. (doi: 10.1016/S0921-5107(01)00812-1)

Paul, D.J. , See, P., Zozoulenko, I.V., Berggren, K.F., Hollander, B., Mantl, S., Griffin, N., Coonan, B.P., Redmond, G. and Crean, G.M. (2002) n-type Si/SiGe resonant tunnelling diodes. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 89(1-3), pp. 26-29. (doi: 10.1016/S0921-5107(01)00785-1)

Lewalle, A., Pepper, M., Ford, C.J.B., Paul, D.J. , Griffin, N., Coonan, B.P., Redmond, G. and Crean, G.M. (2002) Investigation of the zero-field 2D "metallic" state with r(s) and k(F)l controlled independently. Physica E: Low-Dimensional Systems and Nanostructures, 12(1-4), pp. 616-619. (doi: 10.1016/S1386-9477(01)00400-3)

Bates, R. et al. (2002) THz Electroluminescence from Si/SiGe Quantum Cascade Heterostructures. Conference on Lasers and Electro-Optics, Long Beach, USA, 19-22 May 2002. CFB2.

Lynch, S.A. et al. (2002) THz Electroluminescence from Shallow Level Impurities in Si/SiGe Heterostructures. Conference on Lasers and Electro-Optics, Long Beach, USA, 19-22 May 2002. CFB1.

2001

See, P. and Paul, D.J. (2001) The scaled performance of Si/Si/sub 1-x/Gex resonant tunneling diodes. IEEE Electron Device Letters, 22(12), pp. 582-584. (doi: 10.1109/55.974584)

Paul, D.J. et al. (2001) Si/SiGe electron resonant tunneling diodes with graded spacer wells. Applied Physics Letters, 78(26), pp. 4184-4186. (doi: 10.1063/1.1381042)

See, P., Paul, D.J. , Hollander, B., Mantl, S., Zozoulenko, I.V. and Berggren, K.-F. (2001) High performance Si/Si/sub 1-x/Gex resonant tunneling diodes. IEEE Electron Device Letters, 22(4), pp. 182-184. (doi: 10.1109/55.915607)

2000

Paul, D.J. , See, P., Zozoulenko, I.V., Berggren, K.-F., Kabius, B., Hollander, B. and Mantl, S. (2000) Si/SiGe electron resonant tunneling diodes. Applied Physics Letters, 77(11), pp. 1653-1655. (doi: 10.1063/1.1309020)

Ahmed, A., Dunford, R.B., Paul, D.J. , Pepper, M., Churchill, A.C., Robbins, D.J. and Pidduck, A.J. (2000) Si/SiGe n-type inverted modulation doping using ion implantation. Thin Solid Films, 369(1-2), pp. 324-327. (doi: 10.1016/S0040-6090(00)00873-7)

Dunford, R.B., Griffin, N., Paul, D.J. , Pepper, M., Robbins, D.J., Churchill, A.C. and Leong, W.Y. (2000) Schottky gating high mobility Si/Si1-xGex 2D electron systems. Thin Solid Films, 369(1-2), pp. 316-319. (doi: 10.1016/S0040-6090(00)00871-3)

Paul, D. J. (2000) The future of microelectronics. Engineer, 12 Jun.

Dunford, R.B., Ahmed, A., Paul, D.J. , Pepper, M., Churchill, A.C., Robbins, D.J. and Pidduck, A.J. (2000) Inverted modulation-doped n-type Si/Si0.77Ge0.23 heterostructures. Microelectronic Engineering, 53(1-4), pp. 205-208. (doi: 10.1016/S0167-9317(00)00297-5)

Dunford, R.B., Paul, D.J. , Pepper, M., Coonan, B., Griffin, N., Redmond, G., Crean, G.M., Hollander, B. and Mantl, S. (2000) Si/Si1-xGex heterostructure field effect transistors fabricated using a low thermal budget CMOS process. Microelectronic Engineering, 53(1-4), pp. 209-212. (doi: 10.1016/S0167-9317(00)00298-7)

Coonan, B.P. et al. (2000) Investigation of Si/SiGe heterostructure material using non-destructive optical techniques. Thin Solid Films, 364(1-2), pp. 75-79. (doi: 10.1016/S0040-6090(99)00927-X)

Paul, D. (2000) Silicon germanium makes its mark. Physics World, 13(2), pp. 27-32. (doi: 10.1088/2058-7058/13/2/33)

1999

Paul, D. J. et al. (1999) Silicon quantum integrated circuits - an attempt to fabricate silicon-based quantum devices using CMOS fabrication techniques. In: Thin Films Epitaxial Growth and Nanostructures, Strasbourg, 1998, pp. 130-136.

Paul, D.J. (1999) Silicon-germanium strained layer materials in microelectronics. Advanced Materials, 11(3), pp. 191-204. (doi: 10.1002/(SICI)1521-4095(199903)11:3<191::AID-ADMA191>3.0.CO;2-3)

Compaño, R., Molenkamp, L. and Paul, D. (1999) Technology Roadmap for European Nanoelectronics. Technical Report. European Commission.

Paul, D.J. et al. (1999) Silicon quantum integrated circuits. In: Luryi, S., Xu, J. and Zaslavsky, A. (eds.) Future Trends in Microelectronics: The Road Ahead. John Wiley and Sons: New York, pp. 183-192. ISBN 0471321834

1998

Paul, D.J. et al. (1998) Silicon quantum integrated circuits - an attempt to fabricate silicon-based quantum devices using CMOS fabrication techniques. Thin Solid Films, 336(1-2), pp. 130-136. (doi: 10.1016/S0040-6090(98)01219-X)

Norman, C.E., Griffin, N., Arnone, D.D., Paul, D.J. , Pepper, M., Gallas, B. and Fernandez, J.M. (1998) EBIC of strained Si/SiGe 2DEGs showing lateral electron confinement. Solid State Phenomena, 63-4, pp. 25-32. (doi: 10.4028/www.scientific.net/SSP.63-64.25)

Griffin, N., Arnone, D.D., Paul, D.J. , Pepper, M., Robbins, D.J. and Churchill, A.C. (1998) Far-infrared cyclotron resonance study of the effect of strain and localisation in Si/SiGe two dimensional electron gases. Solid-State Electronics, 42(7-8), pp. 1159-1163. (doi: 10.1016/S0038-1101(97)00321-3)

Griffin, N., Arnone, D.D., Paul, D.J. , Pepper, M., Robbins, D.J., Churchill, A.C. and Fernandez, J.M. (1998) Cyclotron resonance measurements of Si/SiGe two-dimensional electron gases with differing strain. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 16(3), pp. 1655-1658. (doi: 10.1116/1.589955)

Paul, D.J. , Ahmed, A., Pepper, M., Churchill, A.C., Robbins, D.J., Wallis, D.J. and Pidduck, A.J. (1998) Electrical properties and uniformity of two dimensional electron gases grown on cleaned SiGe virtual substrates. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 16(3), pp. 1644-1647. (doi: 10.1116/1.589953)

Churchill, A.C., Robbins, D.J., Wallis, D.J., Griffin, N., Paul, D.J. , Pidduck, A.J., Leong, W.Y. and Williams, G.M. (1998) Two-dimensional electron gas mobility as a function of virtual substrate quality in strained Si/SiGe heterojunctions. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 16(3), pp. 1634-1638. (doi: 10.1116/1.589952)

Paul, D.J. (1998) Silicon germanium heterostructures in electronics: the present and the future. Thin Solid Films, 321, pp. 172-180. (doi: 10.1016/S0040-6090(98)00469-6)

Paul, D.J. , Ahmed, A., Griffin, N., Pepper, M., Churchill, A.C., Robbins, D.J. and Wallis, D.J. (1998) Electrical properties of two-dimensional electron gases grown on cleaned SiGe virtual substrates. Thin Solid Films, 321, pp. 181-185. (doi: 10.1016/S0040-6090(98)00470-2)

Norman, C. E., Griffin, N., Arnone, D.D., Paul, D.J. , Pepper, M., Gallas, B. and Fernandez, J.M. (1998) EBIC of Strained Si/SiGe 2DEGs Showing Lateral Electron Confinement. 5th International Workshop on Beam Injection Assessment of Defects in Semiconductors (BIADS 98) pp. 25-32. (doi: 10.4028/www.scientific.net/SSP.63-64.25)

Paul, D.J. (1998) Beyond CMOS: Si Heteroepitaxy and Nanoelectronics for the Superchip of the Future. ITG Fachbericht, Hamburg, Germany 183 - 200.

1997

Paul, D.J. , Ryan, J.H., Kelly, P.V., Crean, G.M., Fernandez, J.M., Pepper, M., Broers, A.N. and Joyce, B.A. (1997) Investigations of electron-beam and optical induced damage in high mobility SiGe heterostructures. Solid-State Electronics, 41(10), pp. 1509-1513. (doi: 10.1016/S0038-1101(97)00097-X)

Churchill, A.C., Robbins, D.J., Wallis, D.J., Griffin, N., Paul, D.J. and Pidduck, A.J. (1997) High-mobility two-dimensional electron gases in Si/SiGe heterostructures on relaxed SiGe layers grown at high temperature. Semiconductor Science and Technology, 12(8), pp. 943-946. (doi: 10.1088/0268-1242/12/8/002)

Griffin, N., Paul, D.J. , Pepper, M., Taylor, S., Smith, J.P., Eccleston, W., Fernandez, J.M. and Joyce, B.A. (1997) Gating high mobility silicon-germanium heterostructures. Microelectronic Engineering, 35(1-4), pp. 309-312. (doi: 10.1016/S0167-9317(96)00137-2)

Paul, D.J. , Ryan, J.M., Pepper, M., Broers, A.N., Whall, T.E., Fernandez, J.M. and Joyce, B.A. (1997) Electron beam induced damage of silicon germanium. Microelectronic Engineering, 35(1-4), pp. 59-62. (doi: 10.1016/S0167-9317(96)00147-5)

Ryan, J.M., Broers, A.N., Paul, D.J. , Pepper, M., Whall, T.E., Fernandez, J.M. and Joyce, B.A. (1997) Fabrication of SiGe quantum devices by electron-beam induced damage. Superlattices and Microstructures, 21(1), pp. 29-36. (doi: 10.1006/spmi.1996.0137)

1996

Paul, D. J. , Ryan, J. M., Pepper, M., Broers, A. N., Whall, T. W., Fernandez, J. M. and Joyce, B. A. (1996) Electron beam induced damage of silicon germanium. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 14(6), pp. 3834-3838. (doi: 10.1116/1.588677)

Paul, D.J. , Griffin, N., Arnone, D.D., Pepper, M., Emeleus, C.J., Phillips, P.J. and Whall, T.E. (1996) Low temperature characterization of modulation doped SiGe grown on bonded silicon-on-insulator. Applied Physics Letters, 69(18), pp. 2704-2706. (doi: 10.1063/1.117684)

1995

Paul, D.J. , Law, V.J. and Jones, G.A.C. (1995) Si1-xGex pulsed plasma etching using CHF3 and H-2. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 13(6), pp. 2234-2237. (doi: 10.1116/1.588055)

1994

Paul, D. J. , Cleaver, J.R.A., Ahmed, H. and Whall, T.E. (1994) Cotunneling of holes in silicon-based structures. Physical Review B, 49, pp. 16514-16517. (doi: 10.1103/PhysRevB.49.16514)

1993

Paul, D. J. , Cleaver, J. R. A., Ahmed, H. and Whall, T. E. (1993) Coulomb blockade in silicon based structures at temperatures up to 50 K. Applied Physics Letters, 63(5), pp. 631-632. (doi: 10.1063/1.109972)

Paul, D..J. , Cleaver, J.R.A. and Ahmed, H. (1993) Fabrication of wires in silicon germanium material. Microelectronic Engineering, 21(1), 349 - 352. (doi: 10.1016/0167-9317(93)90089-N)

Williams, D.A., Pettersen, E.K., Paul, D. J. and Ahmed, H. (1993) High-Resolution Scanning Electron-Microscopy in Mesoscopic Physics. In: Microscopy of Semiconducting Materials 1993, Oxford, UK, 5-8 April 1993, pp. 249-252.

Articles

Prasad, A. et al. (2024) MEMS gravimeters for geophysics. IEEE Instrumentation and Measurement Magazine, 27(6), pp. 46-52. (doi: 10.1109/MIM.2024.10654725)

Fleming, F. et al. (2024) Surface-normal illuminated pseudo-planar Ge-on-Si avalanche photodiodes with high gain and low noise. Optics Express, 32(11), 19449. (doi: 10.1364/OE.521417)

Falcone, V. et al. (2024) Near-infrared light trapping and avalanche multiplication in silicon epitaxial microcrystals. Advanced Optical Materials, 12(14), 2302568. (doi: 10.1002/adom.202302568)

Di Gaetano, E. , Keliehor, B., Gallacher, K. , Griffin, P.F., Sorel, M. , Riis, E. and Paul, D.J. (2024) 778.1 nm distributed feedback lasers for Rb two-photon atomic systems with sub-4 kHz linewidths. APL Photonics, 9(5), 056114. (doi: 10.1063/5.0191088)

Yi, X. et al. (2023) Afterpulsing in Ge-on-Si single-photon avalanche diodes. IEEE Photonics Technology Letters, 35(7), pp. 959-962. (doi: 10.1109/lpt.2023.3289653)

Hadfield, R. H. , Leach, J., Fleming, F., Paul, D. J. , Tan, C. H., Ng, J. S., Henderson, R. K. and Buller, G. S. (2023) Single-photon detection for long-range imaging and sensing. Optica, 10(9), pp. 1124-1141. (doi: 10.1364/OPTICA.488853)

Tetzner, H., Seifert, W., Skibitzki, O., Yamamoto, Y., Lisker, M., Mirza, M.M. , Fischer, I.A., Paul, D.J. , De Seta, M. and Capellini, G. (2023) Unintentional p-type conductivity in intrinsic Ge-rich SiGe/Ge heterostructures grown on Si(001). Applied Physics Letters, 122(24), 243503. (doi: 10.1063/5.0152962)

Dyer, S., Gallacher, K. , Hawley, U., Bregazzi, A., Griffin, P.F., Arnold, A.S., Paul, D.J. , Riis, E. and McGilligan, J.P. (2023) Chip-scale packages for a tunable wavelength reference and laser cooling platform. Physical Review Applied, 19(4), 044015. (doi: 10.1103/PhysRevApplied.19.044015)

Belwanshi, V. , Prasad, A. , Toland, K. , Middlemiss, R. , Paul, D. and Hammond, G. (2022) Investigation of temperature sensitivity of a MEMS gravimeter based on geometric anti-spring. Review of Scientific Instruments, 93(12), 125002. (doi: 10.1063/5.0114664) (PMID:36586950)

Prasad, A. , Middlemiss, R. P. , Noack, A., Anastasiou, K., Bramsiepe, S. G. , Toland, K. , Utting, P. R., Paul, D. J. and Hammond, G. D. (2022) A 19 day earth tide measurement with a MEMS gravimeter. Scientific Reports, 12, 13091. (doi: 10.1038/s41598-022-16881-1) (PMID:35906251) (PMCID:PMC9338064)

Fischer, I. A., Brehm, M., De Seta, M., Isella, G., Paul, D. J. , Virgilio, M. and Capellini, G. (2022) On-chip infrared photonics with Si-Ge-heterostructures: what is next? APL Photonics, 7(5), 050901. (doi: 10.1063/5.0078608)

Gallacher, K. , Griffin, P. F., Riis, E., Sorel, M. and Paul, D. J. (2022) Silicon nitride waveguide polarization rotator and polarization beam splitter for chip-scale atomic systems. APL Photonics, 7(4), 046101. (doi: 10.1063/5.0077738)

McGilligan, J. P., Gallacher, K. , Griffin, P. F., Paul, D. J. , Arnold, A. S. and Riis, E. (2022) Micro-fabricated components for cold atom sensors. Review of Scientific Instruments, 93, 091101. (doi: 10.1063/5.0101628) (PMID:36182455)

Pedrini, J., Barzaghi, A., Valente, J. , Paul, D. J. , Isella, G. and Pezzoli, F. (2021) Photonic band gap and light routing in self-assembled lattices of epitaxial Ge-on-Si microstructures. Physical Review Applied, 16(6), 064024. (doi: 10.1103/PhysRevApplied.16.064024)

Thorburn, F., Yi, X., Greener, Z. M., Kirdoda, J. , Millar, R. W. , Huddleston, L. L., Paul, D. J. and Buller, G. S. (2021) Ge-on-Si single-photon avalanche diode detectors for short-wave infrared wavelengths. Journal of Physics: Photonics, 4, 012001. (doi: 10.1088/2515-7647/ac3839)

Prasad, A. , Middlemiss, R. P. , Anastasiou, K., Bramsiepe, S. G. , Noack, A., Paul, D. J. , Toland, K. , Utting, P. R. and Hammond, G. D. (2021) A Nineteen Day Earth Tide Measurement with a MEMS Gravimeter. arXiv, (Unpublished)

Albani, M., Bergamaschini, R., Barzaghi, A., Salvalaglio, M., Valente, J. , Paul, D. J. , Voigt, A., Isella, G. and Montalenti, F. (2021) Faceting of Si and Ge crystals grown on deeply patterned Si substrates in the kinetic regime: phase-field modelling and experiments. Scientific Reports, 11, 18825. (doi: 10.1038/s41598-021-98285-1) (PMID:34552147) (PMCID:PMC8458435)

Fischer, M. P., Maccaferri, N., Gallacher, K. , Frigerio, J., Pellegrini, G., Paul, D. J. , Isella, G., Leitenstorfer, A., Biagioni, P. and Brida, D. (2021) Field-resolved detection of the temporal response of a single plasmonic antenna in the mid-infrared. Optica, 8(6), pp. 898-903. (doi: 10.1364/OPTICA.420683)

Stark, D. et al. (2021) THz intersubband electroluminescence from n-type Ge/SiGe quantum cascade structures. Applied Physics Letters, 118(10), 101101. (doi: 10.1063/5.0041327)

Middlemiss, R. P. , Campsie, P., Cunningham, W. , Douglas, R., McIvor, V., Hough, J. , Rowan, S. , Paul, D. J. , Prasad, A. and Hammond, G. D. (2021) A MEMS gravimeter with multi-axis gravitational sensitivity. arXiv, (Unpublished)

Tetzner, H., Fischer, I.A., Skibitzki, O., Mirza, M. M.A. , Manganelli, C.L., Luongo, G., Spirito, D., Paul, D. J. , De Seta, M. and Capellini, G. (2021) Current leakage mechanisms related to threading dislocations in Ge-rich SiGe heterostructures grown on Si(001). Applied Physics Letters, 119(15), 153504. (doi: 10.1063/5.0064477)

Ferre Llin, L. et al. (2020) High sensitivity Ge-on-Si single-photon avalanche diode detectors. Optics Letters, 45(23), pp. 6406-6409. (doi: 10.1364/OL.396756)

Carbone, D. et al. (2020) The NEWTON-g gravity imager: toward new paradigms for terrain gravimetry. Frontiers in Earth Science, 8, 573396. (doi: 10.3389/feart.2020.573396)

Gallacher, K. et al. (2020) Characterization of integrated waveguides by atomic-force-microscopy-assisted mid-infrared imaging and spectroscopy. Optics Express, 28(15), pp. 22186-22199. (doi: 10.1364/OE.393748)

Di Gaetano, E. , Watson, S. , McBrearty, E. , Sorel, M. and Paul, D.J. (2020) Sub-MHz linewidth 780.24 nm distributed feedback laser for ⁸⁷Rb applications. Optics Letters, 45(13), pp. 3529-3532. (doi: 10.1364/OL.394185)

Barzaghi, A. et al. (2020) Self-assembly of nanovoids in Si microcrystals epitaxially grown on deeply patterned substrates. Crystal Growth and Design, 20(5), pp. 2914-2920. (doi: 10.1021/acs.cgd.9b01312)

Ciano, C. et al. (2020) Terahertz absorption-saturation and emission from electron-doped germanium quantum wells. Optics Express, 28(5), pp. 7245-7258. (doi: 10.1364/OE.381471)

Gallacher, K. et al. (2020) Design and simulation of losses in Ge/SiGe terahertz quantum cascade laser waveguides. Optics Express, 28(4), pp. 4786-4800. (doi: 10.1364/OE.384993)

Sinclair, M. , Gallacher, K. , Sorel, M. , Bayley, J. C., McBrearty, E. , Millar, R. W. , Hild, S. and Paul, D. J. (2020) 1.4 million Q factor Si₃N₄ micro-ring resonator at 780 nm wavelength for chip-scale atomic systems. Optics Express, 28(3), pp. 4010-4020. (doi: 10.1364/OE.381224)

Gallacher, K. , Millar, R. W. , Griskeviciute, U., Sinclair, M. , Sorel, M. , Baldassarre, L., Ortolani, M., Soref, R. and Paul, D. J. (2020) Ultra-broadband mid-infrared Ge-on-Si waveguide polarization rotator. APL Photonics, 5(2), 026102. (doi: 10.1063/1.5134973)

Griskeviciute, U., Millar, R. W. , Gallacher, K. , Valente, J. and Paul, D. J. (2020) Ge-on-Si waveguides for sensing in the molecular fingerprint regime. Optics Express, 28(4), pp. 5749-5757. (doi: 10.1364/OE.382356)

Kuzmenko, K. et al. (2020) 3D LIDAR imaging using Ge-on-Si single–photon avalanche diode detectors. Optics Express, 28(2), pp. 1330-1344. (doi: 10.1364/OE.383243)

Bashir, A., Millar, R. W. , Gallacher, K. , Paul, D. J. , Darbal, A. D., Stroud, R., Ballabio, A., Frigerio, J., Isella, G. and MacLaren, I. (2019) Strain analysis of Ge micro disk using precession electron diffraction. Journal of Applied Physics, 126, 235701. (doi: 10.1063/1.5113761)

Ciano, C. et al. (2019) Electron population dynamics in optically pumped asymmetric coupled Ge/SiGe quantum wells: experiment and models. Photonics, 7(1), 2. (doi: 10.3390/photonics7010002)

Ciano, C. et al. (2019) n-type Ge/SiGe multi quantum-wells for a THz quantum cascade laser. ECS Transactions, 93(1), pp. 63-66. (doi: 10.1149/09301.0063ecst)

Alonso-Álvarez, D., Augusto, A., Pearce, P., Ferre Llin, L., Mellor, A., Bowden, S., Paul, D.J. and Ekins-Daukes, N. (2019) Thermal emissivity of silicon heterojunction solar cells. Solar Energy Materials and Solar Cells, 201, 110051. (doi: 10.1016/j.solmat.2019.110051)

Grange, T. et al. (2019) Room temperature operation of n-type Ge/SiGe terahertz quantum cascade lasers predicted by non-equilibrium Green's functions. Applied Physics Letters, 114(11), 111102. (doi: 10.1063/1.5082172)

Vines, P., Kuzmenko, K., Kirdoda, J. , Dumas, D. C.S., Mirza, M. M. , Millar, R. W. , Paul, D. J. and Buller, G. S. (2019) High performance planar germanium-on-silicon single-photon avalanche diode detectors. Nature Communications, 10, 1086. (doi: 10.1038/s41467-019-08830-w) (PMID:30842439) (PMCID:PMC6403241)

Ciano, C. et al. (2019) Control of electron-state coupling in asymmetric Ge/Si−Ge quantum wells. Physical Review Applied, 11(1), 014003. (doi: 10.1103/PhysRevApplied.11.014003)

Schupp, F.J., Mirza, M. M.A. , MacLaren, D. A. , Briggs, G. A. D., Paul, D. J. and Mol, J. A. (2018) Quantum interference in silicon 1D junctionless nanowire field-effect transistors. Physical Review B, 98(23), 235428. (doi: 10.1103/PhysRevB.98.235428)

Fischer, M. P. et al. (2018) Plasmonic mid-infrared third harmonic generation in germanium nanoantennas. Light: Science and Applications, 7(1), 106. (doi: 10.1038/s41377-018-0108-8) (PMID:30564312) (PMCID:PMC6290006)

Mellor, A. et al. (2018) Roadmap for the next-generation of hybrid photovoltaic-thermal solar energy collectors. Solar Energy, 174, pp. 386-398. (doi: 10.1016/j.solener.2018.09.004)

Gallacher, K. , Millar, R.W. , Griškevičiūte, U., Baldassarre, L., Sorel, M. , Ortolani, M. and Paul, D.J. (2018) Low loss Ge-on-Si waveguides operating in the 8–14 µm atmospheric transmission window. Optics Express, 26(20), pp. 25667-25675. (doi: 10.1364/OE.26.025667)

Pellegrini, G., Baldassarre, L., Giliberti, V., Frigerio, J., Gallacher, K. , Paul, D. J. , Isella, G., Ortolani, M. and Biagioni, P. (2018) Benchmarking the use of heavily-doped Ge for plasmonics and sensing in the mid-infrared. ACS Photonics, 5(9), pp. 3601-3607. (doi: 10.1021/acsphotonics.8b00438)

Bramsiepe, S. G., Loomes, D., Middlemiss, R. P. , Paul, D. J. and Hammond, G. D. (2018) A high stability optical shadow sensor with applications for precision accelerometers. IEEE Sensors Journal, 18(10), pp. 4108-4116. (doi: 10.1109/JSEN.2018.2818066)

Carrillo-Nuñez, H., Mirza, M. M. , Paul, D. J. , MacLaren, D. A. , Asenov, A. and Georgiev, V. P. (2018) Impact of randomly distributed dopants on Ω-gate junctionless silicon nanowire transistors. IEEE Transactions on Electron Devices, 65(5), pp. 1692-1698. (doi: 10.1109/TED.2018.2817919)

Middlemiss, R. P. , Bramsiepe, S. G., Douglas, R., Hild, S., Hough, J. , Paul, D. J. , Samarelli, A., Rowan, S. and Hammond, G. D. (2018) Microelectromechanical system gravimeters as a new tool for gravity imaging. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 376(2120), 20170291. (doi: 10.1098/rsta.2017.0291) (PMID:29661979)

Han, G. et al. (2018) Topotactic anion-exchange in thermoelectric nanostructured layered tin chalcogenides with reduced selenium content. Chemical Science, 9(15), pp. 3828-3836. (doi: 10.1039/c7sc05190e) (PMID:29780515) (PMCID:PMC5939836)

Bashir, A. et al. (2018) Interfacial sharpness and intermixing in a Ge-SiGe multiple quantum well structure. Journal of Applied Physics, 123(3), 035703. (doi: 10.1063/1.5001158)

Riverola, A., Mellor, A., Alonso Alvarez, D., Ferre Llin, L., Guarracino, I., Markides, C.N., Paul, D.J. , Chemisana, D. and Ekins-Daukes, N. (2018) Mid-infrared emissivity of crystalline silicon solar cells. Solar Energy Materials and Solar Cells, 174, pp. 607-615. (doi: 10.1016/j.solmat.2017.10.002)

Middlemiss, R. P. , Bramsiepe, S. G., Douglas, R., Hough, J. , Paul, D. J. , Rowan, S. and Hammond, G. D. (2017) Field tests of a portable MEMS gravimeter. Sensors, 17(11), 2571. (doi: 10.3390/s17112571) (PMID:29117099)

Frigerio, J. et al. (2017) Optical properties of highly n-doped germanium obtained by in situ doping and laser annealing. Journal of Physics D: Applied Physics, 50(46), 465103. (doi: 10.1088/1361-6463/aa8eca)

Millar, R.W. , Dumas, D.C.S., Gallacher, K.F. , Jahandar, P., MacGregor, C., Myronov, M. and Paul, D.J. (2017) Mid-infrared light emission > 3 µm wavelength from tensile strained GeSn microdisks. Optics Express, 25(21), pp. 25374-25385. (doi: 10.1364/OE.25.025374) (PMID:29041205)

Alonso-Álvarez, D., Ferre Llin, L., Mellor, A., Paul, D. J. and Ekins-Daukes, N. J. (2017) ITO and AZO films for low emissivity coatings in hybrid photovoltaic-thermal applications. Solar Energy, 155, pp. 82-92. (doi: 10.1016/j.solener.2017.06.033)

Georgiev, V. P. , Mirza, M. M. , Dochioiu, A.-I., Lema, F.-A., Amoroso, S. M., Towie, E., Riddet, C., MacLaren, D. A. , Asenov, A. and Paul, D. J. (2017) Experimental and simulation study of 1D silicon nanowire transistors using heavily doped channels. IEEE Transactions on Nanotechnology, 16(5), pp. 727-735. (doi: 10.1109/TNANO.2017.2665691)

Han, G. et al. (2017) Chlorine-enabled electron doping in solution-synthesised SnSe thermoelectric nanomaterials. Advanced Energy Materials, 7(13), 1602328. (doi: 10.1002/aenm.201602328)

Mirza, M. M. , Schupp, F. J., Mol, J. A., MacLaren, D. A. , Briggs, G. A. D. and Paul, D. J. (2017) One dimensional transport in silicon nanowire junction-less field effect transistors. Scientific Reports, 7, 3004. (doi: 10.1038/s41598-017-03138-5) (PMID:28592820) (PMCID:PMC5462787)

Alonso-Álvarez, D., Ferre Llin, L., Mellor, A., Paul, D. J. and Ekins-Daukes, N. J. (2017) Comparative study of annealed and high temperature grown ITO and AZO films for solar energy applications. MRS Advances, 2(53), pp. 3117-3122. (doi: 10.1557/adv.2017.448)

Baldassarre, L. et al. (2016) Mid-infrared sensing using heavily doped germanium plasmonics on silicon substrates. ECS Transactions, 75(8), pp. 247-251. (doi: 10.1149/07508.0247ecst)

Ferre Llin, L. et al. (2016) The use of silicon-germanium superlattices for thermoelectric devices and microfabricated generators. ECS Transactions, 75(8), pp. 469-478. (doi: 10.1149/07508.0469ecst)

Gallacher, K. , Ballabio, A., Millar, R. , Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D. J. (2016) Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates. ECS Transactions, 75(8), pp. 253-256. (doi: 10.1149/07508.0253ecst)

Millar, R. , Gallacher, K. , Frigerio, J., Ballabio, A., Bashir, A., MacLaren, I. , Isella, G. and Paul, D. J. (2016) Engineering large in-plane tensile strains in Ge microdisks, microrings and racetrack optical cavities. ECS Transactions, 75(8), pp. 633-640. (doi: 10.1149/07508.0633ecst)

Frigerio, J. et al. (2016) Tunability of the dielectric function of heavily doped germanium thin films for mid-infrared plasmonics. Physical Review B, 94(8), 085202. (doi: 10.1103/PhysRevB.94.085202)

Paul, D.J. (2016) 8-band k·p modelling of mid-infrared intersubband absorption in Ge quantum wells. Journal of Applied Physics, 120(4), 043103. (doi: 10.1063/1.4959259)

Fischer, M. P. et al. (2016) Optical activation of germanium plasmonic antennas in the mid-infrared. Physical Review Letters, 117(4), 047401. (doi: 10.1103/PhysRevLett.117.047401)

Pezzoli, F. et al. (2016) Disentangling nonradiative recombination processes in Ge micro-crystals on Si substrates. Applied Physics Letters, 108, 262103. (doi: 10.1063/1.4955020)

Gallacher, K. et al. (2016) Ge-on-Si photonics for mid-infrared sensing applications. MRS Advances, 1(48), pp. 3269-3279. (doi: 10.1557/adv.2016.391)

Han, G. et al. (2016) Facile surfactant-free synthesis of p-type SnSe nanoplates with exceptional thermoelectric power factors. Angewandte Chemie (International Edition), 55(22), pp. 6433-6437. (doi: 10.1002/anie.201601420) (PMID:27094703)

Meng, X.-l. et al. (2016) A novel absorptive/reflective solar concentrator for heat and electricity generation: an optical and thermal analysis. Energy Conversion and Management, 114, pp. 142-153. (doi: 10.1016/j.enconman.2016.02.011)

Middlemiss, R. P. , Samarelli, A., Paul, D. J. , Hough, J. , Rowan, S. and Hammond, G. D. (2016) Measurement of the Earth tides with a MEMS gravimeter. Nature, 531(7596), pp. 614-617. (doi: 10.1038/nature17397) (PMID:27029276)

Millar, R.W. , Gallacher, K. , Frigerio, J., Ballabio, A., Bashir, A., MacLaren, I. , Isella, G. and Paul, D.J. (2016) Analysis of Ge micro-cavities with in-plane tensile strains above 2%. Optics Express, 24(5), pp. 4365-4374. (doi: 10.1364/OE.24.004365)

Ferre Llin, L., Samarelli, A., Cecchi, S., Chrastina, D., Isella, G., Müller Gubler, E., Etzelstorfer, T., Stangl, J. and Paul, D.J. (2016) Thermoelectric cross-plane properties on p- and n-Ge/SixGe1-x superlattices. Thin Solid Films, 602, pp. 90-94. (doi: 10.1016/j.tsf.2015.09.059)

Millar, R.W. , Gallacher, K. , Samarelli, A., Frigerio, J., Chrastina, D., Dieing, T., Isella, G. and Paul, D.J. (2016) Expanding the Ge emission wavelength to 2.25 μm with SixNy strain engineering. Thin Solid Films, 602, pp. 60-63. (doi: 10.1016/j.tsf.2015.07.017)

Samarelli, A., Frigerio, J., Sakat, E., Baldassarre, L., Gallacher, K. , Finazzi, M., Isella, G., Ortolani, M., Biagioni, P. and Paul, D.J. (2016) Fabrication of mid-infrared plasmonic antennas based on heavily doped germanium thin films. Thin Solid Films, 602, pp. 52-55. (doi: 10.1016/j.tsf.2015.10.005)

Azough, F. et al. (2016) Ba6−3x Nd8+2x Ti18O54 tungsten bronze: a new high-temperature n-type oxide thermoelectric. Journal of Electronic Materials, 45(3), pp. 1894-1899. (doi: 10.1007/s11664-015-4275-6)

Gallacher, K. , Ballabio, A., Millar, R.W. , Frigerio, J., Bashir, A., MacLaren, I. , Isella, G., Ortolani, M. and Paul, D.J. (2016) Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates. Applied Physics Letters, 108(9), 091114. (doi: 10.1063/1.4943145)

Sweet, T. K.N. et al. (2016) Scalable Solar Thermoelectrics and Photovoltaics (SUNTRAP). AIP Conference Proceedings, 1766, 080007.

Baldassarre, L., Sakat, E., Frigerio, J., Samarelli, A., Gallacher, K. , Calandrini, E., Isella, G., Paul, D. J. , Ortolani, M. and Biagioni, P. (2015) Midinfrared plasmon-enhanced spectroscopy with germanium antennas on silicon substrates. Nano Letters, 15(11), pp. 7225-7231. (doi: 10.1021/acs.nanolett.5b03247) (PMID:26457387)

Li, W. et al. (2015) Multiphysics simulations of a thermoelectric generator. Energy Procedia, 75, pp. 633-638. (doi: 10.1016/j.egypro.2015.07.473)

Li, W. et al. (2015) Coupled simulation of performance of a crossed compound parabolic concentrator with solar cell. Energy Procedia, 75, pp. 325-330. (doi: 10.1016/j.egypro.2015.07.371)

Millar, R.W. , Gallacher, K. , Samarelli, A., Frigerio, J., Chrastina, D., Isella, G., Dieing, T. and Paul, D.J. (2015) Extending the emission wavelength of Ge nanopillars to 2.25 μm using silicon nitride stressors. Optics Express, 23(14), pp. 18193-18202. (doi: 10.1364/OE.23.018193) (PMID:26191877)

Biagioni, P., Sakat, E., Baldassarre, L., Calandrini, E., Samarelli, A., Gallacher, K. , Frigerio, J., Isella, G., Paul, D. and Ortolani, M. (2015) Mid-infrared plasmonic resonances exploiting heavily-doped Ge on Si. Proceedings of the SPIE: The International Society for Optical Engineering, 9357, p. 93570. 93570. (doi: 10.1117/12.2084500)

Biagioni, P. et al. (2015) Group-IV midinfrared plasmonics. Journal of Nanophotonics, 9(1), 093789. (doi: 10.1117/1.JNP.9.093789)

Odia, A., FerreLlin, L., Samarelli, A. and Paul, D. J. (2015) Finite element modelling to evaluate the cross-plane thermal conductivity and seebeck coefficient of Ge/SiGe heterostructure. Materials Today: Proceedings, 2(2), pp. 510-518. (doi: 10.1016/j.matpr.2015.05.070)

Busche, C. et al. (2014) Design and fabrication of memory devices based on nanoscale polyoxometalate clusters. Nature, 515(7528), pp. 545-549. (doi: 10.1038/nature13951) (PMID:25409147)

Mirza, M. M. , MacLaren, D. A. , Samarelli, A., Holmes, B. M., Zhou, H., Thoms, S. , MacIntyre, D. and Paul, D. J. (2014) Determining the electronic performance limitations in top-down fabricated Si nanowires with mean widths down to 4 nm. Nano Letters, 14(11), pp. 6056-6060. (doi: 10.1021/nl5015298)

Dumas, D. C. S., Gallacher, K. , Rhead, S., Myronov, M., Leadley, D. R. and Paul, D. J. (2014) Ge/SiGe quantum confined Stark effect electro-absorption modulation with low voltage swing at lambda = 1550 nm. Optics Express, 22(16), pp. 19284-19292. (doi: 10.1364/OE.22.019284)

Samarelli, A. et al. (2014) Prospects for SiGe thermoelectric generators. Solid-State Electronics, 98, 70 - 74. (doi: 10.1016/j.sse.2014.04.003)

Dumas, D.C.S., Gallacher, K. , Millar, R. , MacLaren, I. , Myronov, M., Leadley, D.R. and Paul, D.J. (2014) Silver antimony Ohmic contacts to moderately doped n-type germanium. Applied Physics Letters, 104(16), p. 162101. (doi: 10.1063/1.4873127)

Cumming, D. R.S. , Furber, S. B. and Paul, D. J. (2014) Beyond Moore's law. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 372(2012), p. 20130376. (doi: 10.1098/rsta.2013.0376)

Cecchi, S., Gatti, E., Chrastina, D., Frigerio, J., Müller Gubler, E., Paul, D.J. , Guzzi, M. and Isella, G. (2014) Thin SiGe virtual substrates for Ge heterostructures integration on silicon. Journal of Applied Physics, 115(9), 093502. (doi: 10.1063/1.4867368)

Samarelli, A. et al. (2014) Multilayered Ge/SiGe material in microfabricated thermoelectric modules. Journal of Electronic Materials, 43(10), pp. 3838-3843. (doi: 10.1007/s11664-014-3233-z)

Samarelli, A., Ferre Llin, L., Cecchi, S., Frigerio, J., Etzelstorfer, T., Muller Gubler, E., Stangl, J., Chrastina, D., Isella, G. and Paul, D. (2014) The thermoelectric properties of Ge/SiGe based superlattices: from materials to energy harvesting modules. ECS Transactions, 64(6), pp. 929-937. (doi: 10.1149/06406.0929ecst)

Warburton, R.E. et al. (2013) Ge-on-Si single-photon avalanche diode detectors: design, modeling, fabrication, and characterization at wavelengths 1310 and 1550 nm. IEEE Transactions on Electron Devices, 60(11), pp. 3807-3813. (doi: 10.1109/TED.2013.2282712)

Chrastina, D. et al. (2013) Ge/SiGe superlattices for nanostructured thermoelectric modules. Thin Solid Films, 543, pp. 153-156. (doi: 10.1016/j.tsf.2013.01.002)

Ferre Llin, L. et al. (2013) The cross-plane thermoelectric properties of p-Ge/Si0.5Ge0.5 superlattices. Applied Physics Letters, 103(14), Art. 143507. (doi: 10.1063/1.4824100)

Cecchi, S. et al. (2013) Ge/SiGe superlattices for thermoelectric devices grown by low-energy plasma-enhanced chemical vapor deposition. Journal of Electronic Materials, 42(7), pp. 2030-2034. (doi: 10.1007/s11664-013-2511-5)

Ferre Llin, L. et al. (2013) Thermal conductivity measurement methods for SiGe thermoelectric materials. Journal of Electronic Materials, 42(7), pp. 2376-2380. (doi: 10.1007/s11664-013-2505-3)

Samarelli, A. et al. (2013) Power factor characterization of Ge/SiGe thermoelectric superlattices at 300 K. Journal of Electronic Materials, 42(7), pp. 1449-1453. (doi: 10.1007/s11664-012-2287-z)

Samarelli, A. et al. (2013) The thermoelectric properties of Ge/SiGe modulation doped superlattices. Journal of Applied Physics, 113(23), Art. 233704. (doi: 10.1063/1.4811228)

Cecchi, S., Etzelstorfer, T., Müller, E., Samarelli, A., Ferre Llin, L., Chrastina, D., Isella, G., Stangl, J. and Paul, D.J. (2013) Ge/SiGe superlattices for thermoelectric energy conversion devices. Journal of Materials Science, 48(7), pp. 2829-2835. (doi: 10.1007/s10853-012-6825-0)

Gallacher, K. F., Velha, P., Paul, D. J. , Maclaren, I., Myronov, M. and Leadly, D. R. (2013) Low specific ohmic contacts to n-type germanium using a low temperature NiGe process. ECS Transactions, 50(9), pp. 1081-1084. (doi: 10.1149/05009.1081ecst)

Ternent, G. and Paul, D. J. (2013) Si/SiGe tunneling static random access memories. ECS Transactions, 50(9), pp. 987-990. (doi: 10.1149/05009.0987ecst)

Mirza, M. M. , Zhou, H., Velha, P., Li, X. , Docherty, K. E., Samarelli, A., Ternent, G. and Paul, D. J. (2012) Nanofabrication of high aspect ratio (∼50:1) sub-10 nm silicon nanowires using inductively coupled plasma etching. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 30(6), 06FF02. (doi: 10.1116/1.4755835)

Gallacher, K. , Velha, P., Paul, D.J. , MacLaren, I. , Myronov, M. and Leadley, D.R. (2012) Ohmic contacts to n-type germanium with low specific contact resistivity. Applied Physics Letters, 100(2), 022113. (doi: 10.1063/1.3676667)

Gallacher, K. , Velha, P., Paul, D.J. , MacLaren, I. , Myronov, M. and Leadley, D.R. (2012) Low specific ohmic contacts to n-type germanium using a low temperatrue NiGe process. ECS Transactions, 50(9), pp. 1081-1084. (doi: 10.1149/05009.1081ecst)

Gallacher, K. , Velha, P., Paul, D. , Cecchi, S., Frigerio, J., Chrastina, D. and Isella, G. (2012) 1.55 μm direct bandgap electroluminescence from strained n-Ge quantum wells grown on Si substrates. Applied Physics Letters, 101(21), p. 211101. (doi: 10.1063/1.4767138)

Kelsall, R.W. et al. (2012) Germanium/silicon heterostructures for terahertz emission. ECS Transactions, 50(9), pp. 763-771.

Paul, D. et al. (2012) Si/SiGe thermoelectric generators. ECS Transactions, 50(9), pp. 959-963. (doi: 10.1149/05009.0959ecst)

Ternent, G. and Paul, D. (2012) Si/SiGe tunnelling static random access memories. ECS Transactions, 50(9), pp. 987-990.

Ternent, G. and Paul, D. (2012) SPICE modeling of the scaling of resonant tunneling diodes and the effects of sidewall leakage. IEEE Transactions on Electron Devices, 59(12), pp. 3555-3560. (doi: 10.1109/TED.2012.2219867)

Velha, P., Gallacher, K. , Dumas, D., Paul, D. , Myronov, M. and Leadley, D.R. (2012) Long wavelength > 1.9 um germanium for optoelectronics using process induced strain. ECS Transactions, 50(9), pp. 779-782.

Velha, P., Gallacher, K. , Dumas, D., Paul, D. , Myronov, M. and Leadley, D.R. (2012) Direct Band-gap Electroluminescence from Strained n-Ge Light Emmitting Diodes. ECS Transactions, 50(9), pp. 305-308.

Watling, J.R. and Paul, D.J. (2011) A study of the impact of dislocations on the thermoelectric properties of quantum wells in the Si/SiGe materials system. Journal of Applied Physics, 110, p. 114508. (doi: 10.1063/1.3665127)

Paul, D.J. (2010) The progress towards terahertz quantum cascade lasers on silicon substrates. Laser and Photonics Reviews, 4(5), pp. 610-632. (doi: 10.1002/lpor.200910038)

Matmon, G. et al. (2010) Si/SiGe quantum cascade superlattice designs for terahertz emission. Journal of Applied Physics, 107(5), 053109. (doi: 10.1063/1.3319653)

Paul, D.J. (2009) Foreword to a special issue of 'solid-state electronics': papers selected from the 4th international SiGe technology and device meeting (ISTDM 2008). Solid-State Electronics, 53(8), p. 815. (doi: 10.1016/j.sse.2009.04.034)

Paul, D.J. (2009) Silicon photonics: a bright future? Electronics Letters, 45(12), pp. 582-584. (doi: 10.1049/el.2009.1271)

Zhao, M., Karim, A., Hansson, G.V., Ni, W.-X., Townsend, P., Lynch, S.A. and Paul, D.J. (2008) Molecular beam epitaxy growth of Si/SiGe bound-to-continuum quantum cascade structures for THz emission. Thin Solid Films, 517(1), pp. 34-37. (doi: 10.1016/j.tsf.2008.08.091)

Zhou, D. X., Parrott, E. P. J., Paul, D. J. and Zeitler, J. A. (2008) Determination of complex refractive index of thin metal films from terahertz time-domain spectroscopy. Journal of Applied Physics, 104(5), (doi: 10.1063/1.2970161)

Vinh, N. Q. et al. (2008) Silicon as a model ion trap: Time domain measurements of donor Rydberg states. Proceedings of the National Academy of Sciences of the United States of America, 105(31), pp. 10649-10653. (doi: 10.1073/pnas.0802721105)

Paul, D.J. (2008) 8-band k.p modeling of the quantum confined Stark effect in Ge quantum wells on Si substrates. Physical Review B, 77, p. 155323. (doi: 10.1103/PhysRevB.77.155323)

Ferrus, T., George, R., Barnes, C. H. W., Lumpkin, N., Paul, D. J. and Pepper, M. (2008) Variation in the hopping exponent in disordered silicon MOSFETs. Journal of Physics: Condensed Matter, 20(41), p. 415226. (doi: 10.1088/0953-8984/20/41/415226)

Paul, D. J. , Matmon, G., Lever, L., Ikonic, Z., Kelsall, R., Chrastina, D., Isella, G., Von Känel, E. and Neels, A. (2008) Si/SiGe bound-to-continuum quantum cascade emitters. ECS Transactions, 16(10), pp. 865-874. (doi: 10.1149/1.2986846)

Ferrus, T., George, R., Barnes, C.H.W., Lumpkin, N., Paul, D.J. and Pepper, M. (2007) Magnetoconductivity of Hubbard bands induced in silicon MOSFETs. Physica B: Condensed Matter, 400(1-2), pp. 218-223. (doi: 10.1016/j.physb.2007.07.011)

Paul, D.J. , Matmon, G., Townsend, P., Zhang, J., Zhao, M. and Ni, W.X. (2007) A review of progress towards terahertz Si/SiGe quantum cascade lasers. IETE Journal of Research, 53(3), pp. 285-292. (doi: 10.1080/03772063.2007.10876142)

Sturm, J., Fitzgerald, E., Koester, S., Kolodzey, J., Murota, J., Paul, D.J. , Tillack, B., Zaima, S., Ghyselen, B. and Takagi, S. (2007) Papers from the 3rd international SiGe technology and device meeting (Princeton, New Jersey, USA, 15–17 May 2006) (ISTDM 2006). Semiconductor Science and Technology, 22(1), (doi: 10.1088%2F0268-1242%2F22%2F1%2Fe01)

Califano, M. et al. (2007) Interwell relaxation times in p-Si/SiGe asymmetric quantum well structures: Role of interface roughness. Physical Review B, 75, (doi: 10.1103/PhysRevB.75.045338)

Ferrus, T., George, R., WBarnes, C.H., Lumpkin, N., Paul, D.J. and Pepper, M. (2007) Activation mechanisms in sodium-doped silicon MOSFETs. Journal of Physics: Condensed Matter, 19, (doi: 10.1088/0953-8984/19/22/226216)

Suet, Z., Paul, D., Zhang, J. and Turner, S. (2007) Si/SiGe n-type resonant tunneling diodes fabricated using in situ hydrogen cleaning. Applied Physics Letters, 90, (doi: 10.1063/1.2739089)

Zhao, M., Ni, W.X., Townsend, P., Lynch, S.A., Paul, D.J. , Hsu, C.C. and Chang, M.N. (2006) Low-temperature molecular beam epitaxy growth of Si/SiGe THz quantum cascade structures on virtual substrates. Thin Solid Films, 508(1-2), pp. 24-28. (doi: 10.1016/j.tsf.2005.07.355)

Olsen, S.H., Temple, M., O'Neill, A.G., Paul, D.J. , Chattopadhyay, S., Kwa, K.S.K. and Driscoll, L.S. (2006) Doubling speed using strained Si/SiGe CMOS technology. Thin Solid Films, 508(1-2), pp. 338-341. (doi: 10.1016/j.tsf.2005.07.347)

Ferrus, T., George, R., Barnes, C.H.W., Lumpkin, N., Paul, D.J. and Pepper, M. (2006) Evidence for multiple impurity bands in sodium-doped silicon MOSFETs. Physical Review B, 73(4), 041304. (doi: 10.1103/PhysRevB.73.041304)

Ferrus, T., George, R., Barnes, C.H.W., Lumpkin, N., Paul, D.J. and Pepper, M. (2006) Evidence for multiple impurity bands in sodium-doped silicon MOSFETs. Physical Review B, 73, 041304. (doi: 10.1103/PhysRevB.73.041304)

De Rossi, A., Carras, M. and Paul, D. (2006) Low-loss surface-mode waveguides for terahertz Si-SiGe quantum cascade lasers. IEEE Journal of Quantum Electronics, 42, pp. 1233-1238. (doi: 10.1109/JQE.2006.883496)

Lynch, S. et al. (2006) Toward silicon-based lasers for terahertz sources. IEEE Journal of Selected Topics in Quantum Electronics, 12, pp. 1570-1578. (doi: 10.1109/JSTQE.2006.884069)

Pidgeon, C.R., Phillips, P.J., Carder, D., Murdin, B.N., Fromherz, T. and Paul, D.J. (2006) Pump-probe measurement of lifetime engineering in far-infrared SiGe quantum wells. Institute of Physics Conference Series, 187, pp. 203-208.

Zhao, M., Karim, A., Ni, W., Pidgeon, C., Phillips, P., Carder, D., Murdin, B., Fromherz, T. and Paul, D. (2006) Strain-symmetrized Si/SiGe multi-quantum well structures grown by molecular beam epitaxy for intersubband engineering. Journal of Luminescence, 121, pp. 403-408. (doi: 10.1016/j.jlumin.2006.08.080)

Pidgeon, C.R., Phillips, P.J., Carder, D., Murdin, B.N., Fromherz, T., Paul, D.J. , Ni, W.X. and Zhao, M. (2005) Pump-probe measurement of lifetime engineering in SiGe quantum wells below the optical phonon energy. Semiconductor Science and Technology, 20(10), L50-L52. (doi: 10.1088/0268-1242/20/10/l02)

Lynch, S.A., Townsend, P., Matmon, G., Paul, D.J. , Bain, M., Gamble, H.S., Zhang, J., Ikonic, Z., Kelsall, R.W. and Harrison, P. (2005) Temperature dependence of terahertz optical transitions from boron and phosphorus dopant impurities in silicon. Applied Physics Letters, 87(10), 101114. (doi: 10.1063/1.2042544)

Dragosavac, M., Paul, D.J. , Pepper, M., Fowler, A.B. and Buchanan, D.A. (2005) Electron effective mass in ultrathin oxide silicon MOSFET inversion layers. Semiconductor Science and Technology, 20(8), pp. 664-667. (doi: 10.1088/0268-1242/20/8/002)

Zhang, J., Li, X.B., Neave, J.H., Norris, D.J., Cullis, A.G., Kelsall, R.W., Lynch, S., Towsend, P., Paul, D.J. and Fewster, P.F. (2005) SiGe quantum cascade structures for light emitting devices. Journal of Crystal Growth, 278(1-4), pp. 488-494. (doi: 10.1016/j.jcrysgro.2004.12.046)

Kelsall, R.W. et al. (2005) Intersubband lifetimes in p-Si / Si Ge terahertz quantum cascade heterostructures. Physical Review B, 71, 115326. (doi: 10.1103/PhysRevB.71.115326)

Nicholas, G., Grasby, T.J., Parker, E.H.C., Whall, T.E., Paul, D.J. , Evans, G.R. and von Kanel, H. (2005) Investigation of the injection velocity of holes in strained Si pMOSFETs. Semiconductor Science and Technology, 20(5), L20-L22. (doi: 10.1088/0268-1242/20/5/l02)

Shlimak, I., Ginodman, V., Gerber, A.B., Milner, A., Friedland, K.J. and Paul, D.J. (2005) Transverse "resistance overshoot" in a Si/SiGe two-dimensional electron gas in the quantum Hall effect regime. Europhysics Letters, 69(6), pp. 997-1002. (doi: 10.1209/epl/i2004-10454-4)

Kelsall, R.W. et al. (2005) Optical cavities for Si/SiGe tetrahertz quantum cascade emitters. Optical Materials, 27(5), pp. 851-854. (doi: 10.1016/j.optmat.2004.08.023)

Li, X.B., Neave, J.H., Norris, D.J., Cullis, A.G., Paul, D.J. , Kelsall, R.W. and Zhang, J. (2005) Growth and structural characterisation of Si/SiGe hetero structures for optoelectronic applications. Optical Materials, 27(5), pp. 855-858. (doi: 10.1016/j.optmat.2004.08.024)

Paul, D.J. et al. (2005) Strained-Si n-MOS surface-channel and buried Si0.7Ge0.3 compressively-strained p-MOS fabricated in a 0.25 mu m heterostructure CMOS process. Materials Science in Semiconductor Processing, 8(1-3), pp. 343-346. (doi: 10.1016/j.mssp.2004.09.106)

Paul, D. J. (2004) Si/SiGe heterostructures: from material and physics to devices and circuits. Semiconductor Science and Technology, 19(10), R75-R108. (doi: 10.1088/0268-1242/19/10/R02)

Olsen, S.H., O'Neill, A.G., Chattopadhyay, S., Driscoll, L.S., Kwa, K.S.K., Norris, D.J., Cullis, A.G. and Paul, D.J. (2004) Study of single- and dual-channel designs for high-performance strained-Si-SiGe n-MOSFETs. IEEE Transactions on Electron Devices, 51(8), pp. 1245-1253. (doi: 10.1109/TED.2004.830652)

Lewalle, A., Pepper, M., Ford, C.J.B., Paul, D.J. and Redmond, G. (2004) Masking by weak localization of metallic behavior in a two-dimensional electron system in strong parallel magnetic fields. Physical Review B, 69, 075316. (doi: 10.1103/PhysRevB.69.075316)

Paul, D. et al. (2004) Towards a Si/SiGe quantum cascade laser for terahertz applications. MRS Proceedings, 832, (doi: 10.1557/PROC-832-F4.1)

Shlimak, I., Ginodman, V., Levin, M., Potemski, M., Maude, D.K., Gerber, A., Milner, A. and Paul, D.J. (2004) Conductivity of weakly and strongly localized electrons in a n-type Si/SiGe heterostructure. Physica Status Solidi C, 1(1), pp. 67-70. (doi: 10.1002/pssc.200303643)

Bates, R. et al. (2003) Interwell intersubband electroluminescence from Si/SiGe quantum cascade emitters. Applied Physics Letters, 83(20), pp. 4092-4094. (doi: 10.1063/1.1626003)

Olsen, S. H. et al. (2003) High-performance nMOSFETs using a novel strained Si/SiGe CMOS architecture. IEEE Transactions on Electron Devices, 50(9), pp. 1961-1969. (doi: 10.1109/TED.2003.815603)

Shlimak, I., Ginodman, V., Levin, M., Potemski, M., Maude, D.K., Friedland, K.-J. and Paul, D.J. (2003) Longitudinal conductivity in Si/SiGe heterostructure at integer filling factors. Physical Review B, 68, 075321. (doi: 10.1103/PhysRevB.68.075321)

Paul, D.J. et al. (2003) Electroluminescence from Si/SiGe quantum cascade emitters. Physica E: Low-Dimensional Systems and Nanostructures, 16(3-4), pp. 309-314. (doi: 10.1016/S1386-9477(02)00689-6)

Paul, D.J. et al. (2003) Si/SiGe quantum-cascade emitters for terahertz applications. Physica E: Low-Dimensional Systems and Nanostructures, 16(1), pp. 147-155. (doi: 10.1016/S1386-9477(02)00590-8)

Lewalle, A., Pepper, M., Ford, C., Paul, D. and Redmond, G. (2003) Weak localisation and the "Destruction" of the two-dimensional metallic behaviour by a parallel magnetic field. Institute of Physics Conference Series, 171, L1.5.

Lynch, S.A., Bates, R., Paul, D.J. , Norris, D.J., Cullis, A.G., Ikonic, Z., Kelsall, R.W., Harrison, P., Arnone, D.D. and Pidgeon, C.R. (2002) Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies. Applied Physics Letters, 81(9), pp. 1543-1545. (doi: 10.1063/1.1501759)

Lewalle, A., Pepper, M., Ford, C.J.B., Hwang, E.H., Das Sarma, S., Paul, D.J. and Redmond, G. (2002) Relative importance of the electron interaction strength and disorder in the two-dimensional metallic state. Physical Review B, 66, 075324. (doi: 10.1103/PhysRevB.66.075324)

Pidgeon, C.R. et al. (2002) THz intersubband dynamics in p-Si/SiGe quantum well structures. Physica E: Low-Dimensional Systems and Nanostructures, 13(2-4), pp. 904-907. (doi: 10.1016/S1386-9477(02)00231-X)

Murzyn, P. et al. (2002) Picosecond intersubband dynamics in p-Si/SiGe quantum-well emitter structures. Applied Physics Letters, 80(8), pp. 1456-1458. (doi: 10.1063/1.1452794)

Lynch, S.A. et al. (2002) Si-based electroluminescence at THz frequencies. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 89(1-3), pp. 10-12. (doi: 10.1016/S0921-5107(01)00782-6)

Paul, D.J. , Ahmed, A., Churchill, A.C., Robbins, D.J. and Leong, W.Y. (2002) Low-dimensional inverted Si/SiGe modulation-doped electron gases using selective ex-situ ion implantation. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 89(1-3), pp. 111-115. (doi: 10.1016/S0921-5107(01)00812-1)

Paul, D.J. , See, P., Zozoulenko, I.V., Berggren, K.F., Hollander, B., Mantl, S., Griffin, N., Coonan, B.P., Redmond, G. and Crean, G.M. (2002) n-type Si/SiGe resonant tunnelling diodes. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 89(1-3), pp. 26-29. (doi: 10.1016/S0921-5107(01)00785-1)

Lewalle, A., Pepper, M., Ford, C.J.B., Paul, D.J. , Griffin, N., Coonan, B.P., Redmond, G. and Crean, G.M. (2002) Investigation of the zero-field 2D "metallic" state with r(s) and k(F)l controlled independently. Physica E: Low-Dimensional Systems and Nanostructures, 12(1-4), pp. 616-619. (doi: 10.1016/S1386-9477(01)00400-3)

See, P. and Paul, D.J. (2001) The scaled performance of Si/Si/sub 1-x/Gex resonant tunneling diodes. IEEE Electron Device Letters, 22(12), pp. 582-584. (doi: 10.1109/55.974584)

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See, P., Paul, D.J. , Hollander, B., Mantl, S., Zozoulenko, I.V. and Berggren, K.-F. (2001) High performance Si/Si/sub 1-x/Gex resonant tunneling diodes. IEEE Electron Device Letters, 22(4), pp. 182-184. (doi: 10.1109/55.915607)

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Ahmed, A., Dunford, R.B., Paul, D.J. , Pepper, M., Churchill, A.C., Robbins, D.J. and Pidduck, A.J. (2000) Si/SiGe n-type inverted modulation doping using ion implantation. Thin Solid Films, 369(1-2), pp. 324-327. (doi: 10.1016/S0040-6090(00)00873-7)

Dunford, R.B., Griffin, N., Paul, D.J. , Pepper, M., Robbins, D.J., Churchill, A.C. and Leong, W.Y. (2000) Schottky gating high mobility Si/Si1-xGex 2D electron systems. Thin Solid Films, 369(1-2), pp. 316-319. (doi: 10.1016/S0040-6090(00)00871-3)