Publication Databases
2020
- E. Di Gaetano, S. Watson, E. Mcbrearty, M. Sorel and D.J. Paul "Sub-MHz linewidth 780.24 nm distributed feedback laser for 87Rb applications" Optics Letters 45(13) pp. 3529 - 3532 (2020) - DOI: 10.1364/OL.394185
- K Gallacher, R/W. Millar, D.J. Paul, J. Frigerio, A. Ballabio, G. Isella, F. Rusconi, P. Biagioni, V. Giliberti, A. Sorgi, L. Baldassarre and M. Ortolani "Characterization of integrated waveguides by atomic-force-microscopy-assisted mid-infrared imaging and spectroscopy" Optics Express 28(15), pp. 22186 - 22199 (2020) - DOI: 10.1364/OE.393748
- A. Barzaghi, S. Firoozabadi, M. Salvalaglio, R. Bergamaschini, A. Ballabio, A. Beyer, M. Albani, J. Valente, A. Voigt, D.J. Paul, L. Miglio, F. Montalenti, K. Volz and G. Isella "Self-Assembly of Nanovoids in Si Microcrystals Epitaxially Grown on Deeply Patterned Substrates" Crystal Growth & Design 20(5), pp. 2914 - 2920 (2020) - DOI: 10.1021/acs.cgd.9b01312
- C. Ciano, M. Virgilio, L. Bagolini, L. Baldassarre, A. Pashkin, M. Helm, M. Montanari, L. Persichetti, L. Di Gaspare, G. Capellini, D.J. Paul, G. Scalari, J. Faist, M. De Seta, and M. Ortolani "Terahertz absorption-saturation and emission from electron-doped germanium quantum wells" Optics Express 28(5), pp. 7245 - 7258 (2020) - DOI: https://doi.org/10.1364/OE.381471
- K. Gallacher, R.W. Millar, U. Griškevičiūtė, M. Sinclair, M.Sorel, L. Baldassarre, M. Ortolani, R. Soref, and D.J. Paul, "Ultra-Broadband Mid-infrared Ge-on-Si Waveguide Polarization Rotator" APL Photonics 5(2), 026102 (2020) - DOI: 10.1063/1.5134973
- U. Griškevičiūtė, R.W. Millar, K. Gallacher, J. Valente and D.J. Paul "Ge-on-Si waveguides for sensing in the molecular fingerprint regime" Optics Express 28(4), pp. 5749 - 5757 (2020)- DOI: https://doi.org/10.1364/OE.382356
- K. Gallacher, M. Ortolani, K. Rew, C. Ciano, L. Baldassarre, M. Virgilio, G. Scalari, J. Faist, L. Di Gaspare, M. De Seta, G. Capellini, T. Grange, S. Birner, and D.J. Paul, "Design and simulation of losses in Ge/SiGe terahertz quantum cascade laser waveguides" Optics Express 28(4) pp. 4786 - 4800 (2020) - DOI: https://doi.org/10.1364/OE.384993
- M. Sinclair, K. Gallacher, M. Sorel, J. Bayley, E. McBrearty, R.W. Millar, S. Hild, and D.J. Paul "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 (2020) - DOI: https://doi.org/10.1364/OE.381224
- C. Ciano, M. Virgilio, L. Bagolini, L. Baldassarre, A. Rossetti, A. Pashkin, M. Helm, M. Montanari, L. Persichetti, L. Di Gaspare, G. Capellini, D.J. Paul, G. Scalari, J. Faist, M. De Seta and M. Ortolani, M "Electron Population Dynamics in Optically Pumped Asymmetric Coupled Ge/SiGe Quantum Wells: Experiment and Models" Photonics 7(1), 2 (2020) - DOI: 10.3390/photonics7010002
- K. Kuzmenko, P. Vines, A. Halimi, R.J. Collins, A. Maccarone, A. Mccarthy, Z.M. Greener, J. Kirdoda, D.C.S. Dumas, L. Ferre Llin, M.M. Mirza, R.W. Millar, D.J. Paul and G.S. Buller "3D LIDAR imaging using Ge-on-Si single-photon avalanche diode detectors
" Optics Express 28(2), pp. 1330 - 1344 (2020) - DOI: 10.1364/OE.383243
- E. Passey, G. Hammond, S. Bramsiepe, A. Prasad, R. Middlemiss, D.J. Paul, R. Walker, Andreas Noack and K. Anastasiou "Development of a MEMs gravimeter for drone-based field surveys." EGU General Assembly Conference Abstracts p 20906 (2020) - DOI: https://meetingorganizer.copernicus.org/EGU2020/EGU2020-20906.html
- F.E. Thorburn, L.L. Huddleston, J. Kirdoda, R.W. Millar, L. Ferre-Llin, X. Yi, D.J. Paul and G.S. Buller, "High Efficiency, Planar Geometry Germanium-on-Silicon Single- Photon Avalanche Diode Detectors" Proceedings of the SPIE 11386, 113860N-1 (2020) - DOI: 10.1117/12.2559620
2019
- P. Vines, K. Kuzmenko, J. Kirdoda, D.C.S. Dumas, M.M. Mirza, R.W. Millar, D.J. Paul and G.S. Buller "High performance planar germanium-on-silicon single-photon avalanche diode detectors" Nature Communications 10, 1086 (2019) - DOI: 10.1038/s41467-019-08830-w
- T. Grange, D. Stark, G. Scalari, J. Faist, L. Persichetti, L. Di Gaspare, M. De Seta, M. Ortolani, D.J. Paul, G. Capellini, S. Birner, and M. Virgilio "Room temperature operation of n-type Ge/SiGe terahertz quantum cascade lasers predicted by non-equilibrium Green's functions" Applied Physics Letters 114, 111102 (2019) - DOI: 10.1063/1.5082172
- C. Ciano, M. Virgilio, M. Montanari, L. Persichetti, L. Di Gaspare, M. Ortolani, L. Baldassarre, M.H. Zoellner, O. Skibitzki, G. Scalari, J. Faist, D.J. Paul, M. Scuderi, G. Nicotra, T. Grange, S. Birner, G. Capellini and M. De Seta "Control of Electron-State Coupling in Asymmetric Ge/Si-Ge Quantum Wells" Physical Review Applied 11, 014003 (2019) - DOI: 10.1103/PhysRevApplied.11.014003
- A. Bashir , R.W. Millar , K. Gallacher , D.J. Paul , A.D. Darbal , R. Stroud , A. Ballabio , J. Frigerio , G. Isella , and I. MacLaren, "Strain analysis of a Ge micro disk using precession electron diffraction" Journal of Applied Physics 126(23), 235701 (2019) - DOI: 10.1063/1.5113761
- D. Alonso-Alvarez, A. Augusto, P. Pearce, L. Ferre Llin, A. Mellor, S. Bowden, D.J. Paul and N. Ekins-Daukes "Thermal emissivity of silicon heterojunction solar cells" Solar Energy Materials and Solar Cells 201, 110051 (2019) - DOI: 10.1016/j.solmat.2019.110051
- A. Bashir, R. Millar, K. Gallacher, D.J. Paul, A. Darbal, R. Stroud, A. Ballabio, J. Frigerio, G. Isella, I. MacLaren "Strain analysis of Ge micro disk using precession electron diffraction" arXiv preprint arXiv:1906.02484 (2019) - https://arxiv.org/abs/1906.02484
- G. Marocco, R. P. Middlemiss, A. Prasad, S. Hild, J. Hough, S. Rowan, G. D. Hammond, D. J. Paul, A. Strain, P. Anderson, H. Jeffrey "MEMS Gradiometers for Attitude Determination on CubeSats" 33rd Annual AIAA/USU Conference on Small Satellites (2019) - Web: https://digitalcommons.usu.edu/smallsat/2019/all2019/157/
- C. Ciano, L. Di Gaspare, M. Montanari, L. Persichetti, L. Baldassarre, M. Ortolani, G. Capellini, O. Skibitzki, M. Zoellner, J. Faist, G. Scalari, D. Stark, D.J. Paul, Kirsty Rew, O. Moutanabbir, S. Mukherjee, T. Grange, S. Birner, M. Virgilio and M. De Seta "n-type Ge/SiGe Multi Quantum-Wells for a THz Quantum Cascade Laser" ECS Transactions 93, pp. 63-66 - DOI: 10.1149/09301.0063ecst
- C. Ciano, M. Montanari, L. Persichetti, L. Di Gaspare, M. Virgilio, L. Bagolini, G. Capellini, M. Zoellner, O. Skibitzki, D. Stark, G. Scalari, J. Faist, K. Rew, D.J. Paul, T. Grange, S. Birner, A. Pashkin, M. Helm, L. Baldassarre, M. Ortolani and M. De Seta "Electron-doped SiGe Quantum Well Terahertz Emitters pumped by FEL pulses" 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (2019) - DOI: 10.1109/IRMMW-THz.2019.8873894
- M. Montanari, C. Ciano, L. Persichetti, L. Di Gaspare, M. Virgilio, G. Capellini, M. Zoellner, O. Skibitzki, D. Stark, G. Scalari, J. Faist, D.J. Paul, T. Grange, S. Birner, M. Scuderi, G. Nicotra, O. Moutanabbir, S. Mukherjee, L. Baldassarre, M. Ortolani and M. De Seta "High-Quality n-Type Ge/SiGe Multilayers for THz Quantum Cascade Lasers" 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (2019) - DOI: 10.1109/IRMMW-THz.2019.8874294
- D. Stark, L. Persichetti, M. Montanari, C. Ciano, L. Di Gaspare, M. De Seta, M. Zooellner, O. Skibitzki, G. Capellini, M. Ortolani, L. Baldassarre, M. Virgilio, T. Grange, S. Birner, K. Rew, D.J. Paul, J. Faist and G. Scalari "Si-based n-type THz Quantum Cascade Emitter" 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (2019) - DOI: 10.1109/IRMMW-THz.2019.8874354
- J. Kirdoda, D.C.S. Dumas, K. Kuzmenko, P. Vines, Z. M. Greener, R. W. Millar, M. M. Mirza, G. S. Buller, and D. J. Paul "Geiger Mode Ge-on-Si Single-Photon Avalanche Diode Detectors" 2019 IEEE 16th International Conference on Group IV Photonics (GFP) Volume 1949-209X, pp. 1 -- 2 (2019) - DOI: 10.1109/GROUP4.2019.8853918
- R. W. Millar, U. Griškevičiūtė, K. Gallacher, M. Sorel, D. J. Paul, L. Baldassarre and M. Ortolani "Molecular Fingerprint Sensing using Ge-on-Si Waveguides" 2019 IEEE 16th International Conference on Group IV Photonics (GFP) Volume 1949-209X, pp. 1 -- 2 (2019) - DOI: 10.1109/GROUP4.2019.8853881
K. Gallacher, U. Griškevičiūtė, I. MacGilp, R. W. Millar and D. J. Paul "Understanding the Sidewall Dependence of Loss for Ge-on-Si Waveguides in the Mid-Infrared" 2019 IEEE 16th International Conference on Group IV Photonics (GFP) Volume 1949-209X, pp. 1 -- 2 (2019) - DOI: 10.1109/GROUP4.2019.8853945
- K. Gallacher, U. Griškevičiūtė, R. W. Millar and D. J. Paul "Ultra Broadband Mid-Infrared Ge-on-Si Polarization Rotator" 2019 IEEE 16th International Conference on Group IV Photonics (GFP) Volume 1949-209X, pp. 1 -- 2 (2019) - DOI: 10.1109/GROUP4.2019.8853922
- K. Gallacher, R. Millar, U. Griškevičiūtė, L. Baldassarre, M. Sorel, M. Ortolani and D. J. Paul "TuA4.1 - Mid-infrared Sensing with Ge on Si Waveguides (Invited)" 2019 IEEE Photonics Society Summer Topical Meeting Series (SUM), pp. 1 -- 2 (2019) - DOI: 10.1109/PHOSST.2019.8795039
- R. Millar, U. Griškevičiūtė, K. Gallacher, L. Baldassarre, M. Sorel, M. Ortolani and D.J. Paul "Towards a Mid-infrared Lab-on-chip Sensor Using Ge-on-Si Waveguides" CLEO Europe EQEC 2019, paper CH-4.3 (2019) - Web: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-ch_4_3
- D.C.S. Dumas, J. Kirdoda, P. Vines, K. Kuzmenko, R.W. Millar, G.S. Buller and D.J. Paul "Ge-on-Si High Efficiency SPADs at 1310 nm" CLEO Europe EQEC 2019, paper EA-P.15 (2019) - Web: http://www.osapublishing.org/abstract.cfm?URI=EQEC-2019-ea_p_15
- M. Sinclair, K. Gallacher, R.W. Millar, J.C. Bayley, O. Sharp, F. Mirando, G. Ternent, G. Mills, B. Casey, S. Hild and D.J. Paul "High-Q Si3N4 ring resonators for locking 780nm GaAs-based distributed feedback laser" CLEO Europe EQEC 2019, paper CB-P.5 (2019) - Web: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-cb_p_5
- T. Grange, D. Stark, G. Scalari, J. Faist, L. Persichetti, L. Di Gaspare, M. De Seta, G. Capellini, D.J. Paul, M. Ortolani, S. Birner and M. Virgilio "Non-equilibrium Green’s function simulation of group-IV terahertz quantum cascade lasers" CLEO Europe EQEC 2019, paper CC-2.6 (2019) - DOI:
- D. Stark, L. Persichetti, M. Montanaei, C. Ciano, L. Di. Gaspare, M. De Seta, M. Zoellner, O. Skibitzki, G. Capellini, M. Ortolani, L. Baldassarre, M. Virgilio, T. Grange, S. Birner, K. Rew, D.J. Paul, J. Faist and G. Scalari "n-type Ge/SiGe quantum cascade heterostructures for THz emission" CLEO Europe EQEC 2019, paper CC-3.3 (2019) - Web: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-cc_3_3
- M.P. Fischer, N. Maccaferri, K. Gallacher, J. Frigerio, G. Pellegrini, G. Isella, A. Leitenstorfer, D.J. Paul, P. Biagioni and D. Brida "Field-resolved response of plasmonic antenna" CLEO Europe EQEC 2019, paper EG-1.4 (2019) - Web: http://www.osapublishing.org/abstract.cfm?URI=EQEC-2019-eg_1_4
- K. Kuzmenko, P. Vines, Z. Greener, J. Kirdoda, D. Dumas, M.M. Mirza, R. Millar, D.J. Paul, G.S. Buller "Planar geometry Ge-on-Si SPAD detectors for the short-wave infrared" SPIE Advanced Photon Counting Techniques XIII 10978, 109780P (2019) - DOI: https://doi.org/10.1117/12.2518858
- J. Kirdoda, L. Ferre Llin, K. Kuzmenko, P. Vines, Z. Greener, D.C.S. Dumas, R.W. Millar, M.M. Mirza, G.S. Buller and D.J. Paul "High Efficiency Planar Ge-on-Si Single-Photon Avalanche Diode Detectors" Conference on Lasers and Electro-Optics, paper FF1A.4 (2019) DOI - 10.1364/CLEO_QELS.2019.FF1A.4
- K Gallacher, M. Sinclair, R W. Millar, O. Sharp, F Mirando, G. Ternent, G. Mills, B. Casey and D J. Paul "Integrated DFB Lasers on Si3N4 Photonic Platform for Chip-Scale Atomic Systems" Conference on Lasers and Electro-Optics, paper STu4O.7 (2019) 10.1364/CLEO_SI.2019.STu4O.7
- U. Griškevičiūtė, R.W. Millar, K. Gallacher, L. Baldassarre, M. Sorel, M. Ortolani and D.J. Paul "Fingerprint mid-infrared sensing with germanium on silicon waveguides" Conference on Lasers and Electro-Optics, paper STh1N.2 (2019) DOI - 10.1364/CLEO_SI.2019.STh1N.2
- M.P. Fischer, K. Gallacher, J. Frigerio, G. Pellegrini, G. Isella, A. Leitenstorfer, D.J. Paul, P. Biagioni and D. Brida "Field-Resolved Detection of the Temporal Response of a Mid-Infrared Plasmonic Antenna" Conference on Lasers and Electro-Optics, paper FTh3C.6 (2019) DOI - https://doi.org/10.1364/CLEO_QELS.2019.FTh3C.6
- K. Kuzmenko, P. Vines, Z. Greener, J. Kirdoda, D. Dumas, M.M. Mirza, R. Millar, D.J. Paul, G.S. Buller "Planar geometry Ge-on-Si SPAD detectors for the short-wave infrared" SPIE Advanced Photon Counting Techniques XIII 10978, 109780P - DOI: 10.1117/12.2518858
- D.C.S. Dumas, J. Kirdoda, R.W. Millar, P. Vines, K. Kuzmenko, G.S. Buller and D.J. Paul "High-efficiency Ge-on-Si SPADs for short-wave infrared" Proceedings SPIE 10914, 1091424 (2019) - DOI: 10.1117/12.2521067
- R.W. Millar, K. Gallacher, U. Griškevičiūtė, L. Baldassarre, M. Sorel, M. Ortolani and D.J. Paul "Low loss germanium-on-silicon waveguides for integrated mid-infrared photonics" Proceedings SPIE 10923, 109230S (2019) - DOI: 10.1117/12.2510009
- J. Kirdoda, D.C.S. Dumas, R.W. Millar, M.M. Mirza, D.J. Paul, K. Kuzmenko, P. Vines, Z. Greener and G.S. Buller "Geiger Mode Ge-on-Si Single-Photon Avalanche Diode Detectors" 2019 IEEE 2nd British and Irish Conference on Optics and Photonics (BICOP) pp. 1 -- 4 (2019) - DOI: 10.1109/BICOP48819.2019.9059574
2018
- M.P. Fischer, A. Riede, K. Gallacher, J. Frigerio, G. Pellegrini, M. Ortolani, D.J. Paul, G. Isella, A. Leitenstorfer, P. Biagioni and D. Brida "Plasmonic mid-infrared third harmonic generation in germanium nanoantennas" Light Science and Applications 7, 106 (2018) - DOI: 10.1038/s41377-018-0108-8
- F.J. Schupp, M.M. Mirza, D.A. MacLaren, G.A.D. Briggs, D.J. Paul, and J.A. Mol "Quantum interference in silicon one-dimensional junctionless nanowire field-effect transistors" Physical Review B 98(23), 235238 (2018) - DOI: 10.1103/PhysRevB.98.235428
- T. Grange, D. Stark, G. Scalari, J. Faist, L. Persichetti, L. Di Gaspare, M. De Seta, M. Ortolani, D.J. Paul, G. Capellini, S. Birner, M. Virgilio "Room temperature operation of n-type Ge/SiGe terahertz quantum cascade lasers predicted by non-equilibrium Green's functions" arXiv:1811.12879 - Web: https://arxiv.org/pdf/1811.12879.pdf
- D.J. Paul, D. Dumas, J. Kirdoda, R.W. Millar, M.M. Mirza, G.S. Buller, P. Vines and K. Kuzmenko "Single photon avalanche detector, method of use therefore and method for its manufacture" GB Patent application no. 1814688.6 (10th September 2018)
- K. Gallacher, R.W. Millar, U. Griškevičiūtė, L. Baldassarre, M. Sorel, M. Ortolani and D.J. Paul "Low loss Ge-on-Si waveguides operating in the 8 to 14 μm atmospheric transmission window" Optics Express 26(20) pp. 25667 - 25675 (2018) - DOI: 10.1364/OE.26.025667
- G. Pellegrini, L. Baldassare, V. Giliberti, J. Frigerio, K. Gallacher, D.J. Paul, G. Isella, M. Ortolani and P. Biagioni "Benchmarking the Use of Heavily Doped Ge for Plasmonics and Sensing in the Mid-Infrared" ACS Photonics 5(9) pp. 3601 - 3607 (2018) - DOI: 10.1021/acsphotonics.8b00438
- A. Mellor, D. Alonso Alvarez, I. Guarracino, A. Ramos, A. Riverola Lacasta, L. Ferre Llin, A.J. Murrell, D.J. Paul, D. Chemisana, C.N. Markides, N.J. Ekins-Daukes "Roadmap for the next-generation of hybrid photovoltaic-thermal solar energy collectors" Solar Energy 174 pp. 386 - 398 (2018) - DOI: 10.1016/j.solener.2018.09.004
- R.P. Middlemiss, S.G. Bramsiepe, R. Douglas, S. Hild, J. Hough, D.J. Paul, A. Samarelli, S. Rowan, G.D. Hammond, "Microelectromechanical system gravimeters as a new tool for gravity imaging" Philosophical Transactions of the Royal Society A 376, 2120 (2018) - DOI: 10.1098/rsta.2017.0291
- G. Han, S. Popuri, H. Greer, R. Zhang, L. Ferre Llin, J.-W. Bos, W. Zhou, M. Reece, D.J. Paul, A. Knox and D. Gregory "Topotactic Anion-exchange in Thermoelectric Nanostructured Layered Tin Chalcogenides with Reduced Selenium Content" Chemical Science 8, pp. 3828-3836 (2018) - DOI: 10.1039/C7SC05190E
- H. Carrillo-Nunez, M.M. Mirza, D.J. Paul, D.A. MacLaren, A. Asenov, V.P. Georgiev, "Impact of Randomly Distributed Dopants on &Omega-Gate Junctionless Silicon Nanowire Transistors" IEEE Transactions on Electron Devices 65(5) (2018) - DOI: 10.1109/TED.2018.2817919
- S.G. Bramsiepe, D. Loomes, R.P. Middlemiss, D.J. Paul and G.D. Hammond "A High Stability Optical Shadow Sensor with Applications for Precision Accelerometers" IEEE Sensors Journal 18(10), pp. 4108-4116 (2018) - DOI: 10.1109/JSEN.2018.2818066
- A. Bashir, K. Gallacher, R.W. Millar, D.J. Paul, A. Ballabio, J. Frigerio, G. Isella, D. Kriegner, M. Ortolani, J. Barthel and I. MacLaren "Interfacial sharpness and intermixing in a Ge-SiGe multiple quantum well structure" Journal of Applied Physics 123(3), 035703 (2018) - DOI: 10.1063/1.5001158
- A. Riverola, A. Mellor, D. Alonso Alvarez, L. Ferre Llin, I. Guarracino, C.N. Markides, D.J. Paul, D. Chemisana, N. Ekins-Daukes "Mid-infrared emissivity of crystalline silicon solar cells" Solar Energy Materials and Solar Cells 174, pp. 607 - 615 (2018) - DOI: 10.1016/j.solmat.2017.10.002
- M.P. Fischer, A. Riede, K. Gallacher, J. Frigerio, G. Pellegrini, M. Ortolani, D.J. Paul, G. Isella, A. Leitenstorfer, P. Biagioni, D. Brida, "Mid Infrared Nonlinear Plasmonics using Germanium Nanoantennas on Silicon Substrates" arXiv 1802.04152 - Web: https://arxiv.org/pdf/1802.04152.pdf
- F.J. Schupp, M.M. Mirza, D.A. MacLaren, G.A.D. Briggs, D.J. Paul, J.A. Mol, "Quantum Interference in Silicon 1D Quasi-Ballistic Junctionless Nanowire Field Effect Transistors" arXiv: 1802.07013 - Web: https://arxiv.org/pdf/1802.07013.pdf
- A. Saeed, Y. Ding, G. Ternent, B. Casey, C.J. Hamilton, N. Hempler, G.P.A. Malcolm, G.T. Maker, M. Sorel and D.J. Paul "Narrow Linewidth 780 nm Distributed Feedback Lasers for Cold Atom Quantum Technology" SPIE Solid State Lasers XXVII:Technology and Devices, Paper 10511-80 (2018) - Web: https://spie.org/PW18L/conferencedetails/solid-state-lasers?SSO=1
- E.A. Ghisetti, D. Dumas, J. Kirdoda, K. Gallacher, R.W. Millar, M.M. Mirza and D.J. Paul, "Germanium on silicon single-photon avalanche detectors using silicon-on-insulator substrates " SPIE Integrated Optics: Devices, Materials, and Technologies XXII 10535, 105351F (2018) - DOI: 10.1117/12.2290403
- A. Mellor, I. Guarracino, L. Ferre Llin, D. Alonso-Alvarez, A. Riverola, S. Thoms, D.J. Paul, C.N. Markides, D. Chemisana, S. Maier and N. Ekins-Daukes "Specially designed solar cells for hybrid photovoltaic-thermal generators" 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC) pp. 1 - 4 (2018) - DOI: 10.1109/PVSC.2017.8366699
- K. Gallacher, R.W. Millar, U. Griškevičiūtė, M.P. Fischer, A. Riede, J. Frigerio, L. Baldassarre, G. Pellegrini, A. Leitenstorfer, D. Brida, G. Isella, M. Ortolani, P. Biagioni and D.J. Paul "Components for Integrated Ge on Si for Mid-Infrared Photonic Sensors" IEEE Photonics Society Summer Topical Meeting Series 2018 pp. 177 - 178 (2018) - DOI: 10.1109/PHOSST.2018.8456761
- K. Gallacher, R.W. Millar, D..J Paul, F. Mirando, G. Ternent, G. Mills and B. Casey "Distributed Feedback Lasers Operating at 780 nm Wavelength Integrated on Si Substrates for Chip-scale Atomic Systems" 2018 IEEE 15th International Conference on Group IV Photonics pp. 177-178 (2018) - DOI: 10.1109/GROUP4.2018.8478720
- R.W. Millar, K. Gallacher, U. Griškevičiūtė, D.J. Paul, L Baldassarre, M Ortolani "Ge-on-Si Mid-Infrared Waveguides Operating up to 11 μm Wavelength" 2018 IEEE 15th International Conference on Group IV Photonics pp. 137-138 (2018) - DOI: 10.1109/GROUP4.2018.8478757
2017
- R.W. Millar, D.C.S. Dumas, K.F. Gallacher, P. Jahandar, C. MacGregor, M. Myronov and D.J. Paul"Mid-infrared light emission > 3 μm wavelength from tensile strained GeSn microdisks" Optics Express 25(21), pp. 25374 - 25385 (2017) - DOI: 10.1364/OE.25.025374
- M.M. Mirza, F.J. Schupp, J.A. Mol, D.A. MacLaren, G.A.D. Briggs and D.J. Paul, "One dimensional transport in silicon nanowire junction-less field effect transistors" Scientific Reports 7(1), 3004 (2017) - DOI: 10.1038/s41598-017-03138-5
- R.P. Middlemiss, S.G. Bramsiepe, R.a Douglas, J. Hough, D.J. Paul, S. Rowan, G.D. Hammond, " Field Tests of a Portable MEMS Gravimeter" Sensors 17(11), pp. 2571_1 - 12 (2017) - DOI: 10.3390/s17112571
- S.G. Bramsiepe, D. Loomes, R.P. Middlemiss, D.J. Paul, G.D. Hammond, "A High Stability Optical Shadow Sensor with Applications for Precision Accelerometers" arXiv preprint arXiv:1711.01253 (2017) - Web: https://arxiv.org/abs/1711.01253
- D. Alonso-Alvarez, L. Ferre Llin, A. Mellor, D.J. Paul and N.J. Ekins-Daukes, "ITO and AZO films for low emissivity coatings in hybrid photovoltaic-thermal applications" Solar Energy 155 pp. 82 - 92 (2017) - DOI: 10.1016/j.solener.2017.06.033
- V.P. Georgiev, M.M. Mirza, A.-I. Dochioiu, F.-A. Lema, S.M. Amoroso, E. Towie, C. Riddet, D.A. MacLaren, A. Asenov and D.J. Paul, "Experimental and simulation study of 1D silicon nanowire transistors using heavily doped channels" IEEE Transactions on Nanotechnology 16, pp. 727 - 735 (2017)- DOI: 10.1109/TNANO.2017.2665691
- G. Han, S.R. Popuri, H.F. Greer, L.F. Llin, J.-W.G. Bos, W. Zhou, D.J. Paul, H. Ménard, A.R. Knox, A.a Montecucco, J. Siviter, E.A. Man, W.-g. Li, M.C. Paul, M. Gao, T. Sweet, R. Freer, F. Azough, H. Baig, T.K. Mallick, D.H. Gregory "Chlorine-enabled electron doping in solution-synthesised SnSe thermoelectric nanomaterials" Advanced Energy Materials 7, 1602328 (2017) - DOI: 10.1002/aenm.201602328
- Jacopo Frigerio, Andrea Ballabio, Kevin Gallacher, Valeria Gilberti, Leonetta Baldassarre, Ross Millar, Ruggero Milazzo, Luca Maiolo, Antonio Minotti, Federico Bottegoni, Paolo Biagioni, Douglas J Paul, Michele Ortolani, Alessandro Pecora, Enrico Napolitani, Giovanni Isella "Optical properties of highly n-doped germanium obtained by in-situ doping and laser annealing" Journal of Physics D: Applied Physics 50(46), 465103 (2017) - DOI: 10.1088/1361-6463/aa8eca
- G. Fagas, J.P. Gallagher, L. Gammaitoni, D.J. Paul, "Energy Challenges for ICT" ICT-Energy Concepts for Energy Efficiency and Sustainability, INTECH (2017) - DOI: 10.5772/66678
- L.F. Llin and D.J. Paul, "Thermoelectrics, Photovoltaics and Thermal Photovoltaics for Powering ICT Devices and Systems" ICT-Energy Concepts for Energy Efficiency and Sustainability, INTECH (2017) - DOI: 10.5772/65983
- D. Alonso-Alvarez, L. Ferre Llin, A. Mellor, D.J. Paul and N.J. Ekins-Daukes, "Comparative Study of Annealed and High Temperature Grown ITO and AZO Films for Solar Energy Applications" MRS Advances 2017 pp. 1-6 - DOI: https://doi.org/10.1557/adv.2017.448
- Y. Ding, G. Ternent, A. Saeed, C.J. Hamilton, N. Hempler, G.P.A. Malcolm, G.T. Maker, M. Sorel and D.J. Paul"GaAs-based distributed feedback laser at 780 nm for 87Rb cold atom quantum technology" 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (2017) - DOI: 10.1109/CLEOE-EQEC.2017.8086371
- M.P. Fischer, A. Riede, A. Grupp, K. Gallacher, J. Frigerio, G. Pellegrini, M. Ortolani, D. J. Paul, G. Isella, A. Leitenstorfer, P. Biagioni, and D. Brida, "Mid-Infrared Third-Harmonic Emission from Heavily-Doped Germanium Plasmonic Nanoantennas" Conference on Lasers and Electro-Optics, OSA Technical Digest 2017, paper FF1G.2 - DOI: https://doi.org/10.1364/CLEO_QELS.2017.FF1G.2
- F. Schupp, M.M. Mirza, D.A. MacLaren, G.A. Briggs, D.J. Paul, and J. Mol, "Silicon Transistors in Reduced Dimensions" American Physical Society (APS) March Meeting, New Orleans, LA, USA, 13-17 Mar (2017) http://meetings.aps.org/Meeting/MAR17/Session/S1.1
- K. Gallacher, A. Sorgi, V. Giliberti, J. Frigerio, G. Isella, P. Biagioni, D.J. Paul, M. Ortolani and L. Baldassarre "Integrated germanium-on-silicon waveguides for mid-infrared photonic sensing chips" IEEE 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (2017) - DOI: 10.1109/IRMMW-THz.2017.8067105
- R.W. Millar, D.C.S. Dumas, K. Gallacher, P. Jahandar, M. Myronov and D.J. Paul "Tensile strained GeSn mid-infrared light emitters" 2017 IEEE 14th International Conference on Group IV Photonics (GFP) (2017) - DOI: 10.1109/GROUP4.2017.8082190
- K. Gallacher, R.W. Millar, V. Giliberti, E. Calandrini, L. Baldassarre, J. Frigerio, A. Ballabio, E. Sakat, G. Pellegrini, G. Isella, M. Ortolani, P. Biagioni and D.J. Paul "Mid-infrared n-Ge on Si plasmonic based microbolometer sensors" 2017 IEEE 14th International Conference on Group IV Photonics (GFP) (2017) - DOI: 10.1109/GROUP4.2017.8082167
- J. Frigerio, A. Ballabio, G. Pellegrini, K. Gallacher, V. Giliberti, L. Baldassarre, R. Milazzo, K. Huet, F. Mazzamuto, P. Biagioni, D.J. Paul, M. Ortolani, E. Napolitani and G. Isella "Heavily-doped germanium on silicon with activated doping exceeding 1020 cm−3 as an alternative to gold for mid-infrared plasmonics" 2017 IEEE 14th International Conference on Group IV Photonics (GFP) (2017) - DOI: 10.1109/GROUP4.2017.8082170
- K. Gallacher, L. Baldassarre, R.W. Millar, A. Sorgi, V. Giliberti, J. Frigerio, G. Isella, I. Figliolia, P. Biagioni, M. Ortolani and D.J. Paul "Germanium-on-silicon waveguides for mid-infrared photonic sensing chips" 2017 IEEE 14th International Conference on Group IV Photonics (GFP) (2017) - DOI: 10.1109/GROUP4.2017.8082197
- D.J. Paul, K. Gallacher, R.W. Millar, V. Giliberti, E. Calandrini, L. Baldassarre, M.P. Fischer, J. Frigerio, A. Ballabio, E. Sakat, G. Pellegrini, D. Brida, G. Isella, M. Ortolani and P. Biagioni "n-Ge on Si for mid-infrared plasmonic sensors" 2017 IEEE Photonics Society Summer Topical Meeting Series (SUM) (2017) - DOI: 10.1109/PHOSST.2017.8012682
- V.P. Georgiev, A.-I. Dochioiu, F.-A. Lema, S. Berada, M.M. Mirza, D.J. Paul and A. Asenov "Variability study of high current junctionless silicon nanowire transistors" 2017 IEEE 12th Nanotechnology Materials and Devices Conference (NMDC) pp. 87 - 88 (2017) - DOI: 10.1109/NMDC.2017.8350514
2016
- R.P. Middlemiss, A. Samarelli, D.J. Paul, J. Hough, S. Rowan and G. D. Hammond, "Measurement of the Earth tides with a MEMS gravimeter" Nature 531, Issue 7596, pp. 614 - 629 (2016) - DOI: 10.1038/nature17397
- M.P. Fischer, C. Schmidt, E. Sakat, J. Stock, A. Samarelli, J. Frigerio, M. Ortolani, D.J. Paul, G. Isella, A. Leitenstorfer, P. Biagioni, and D. Brida, "Optical Activation of Germanium Plasmonic Nanoantennas in the Mid Infrared" Physical Review Letters 117, 047401 (2016) - DOI: 10.1103/PhysRevLett.117.047401
- J. Frigerio, A. Ballabio, G. Isella, E. Sakat, P. Biagioni, M. Bollani, E. Napolitani, C. Manganelli, M. Virgilio, A. Grupp, M.P. Fischer, D. Brida, K. Gallacher, D.J. Paul, L. Baldassarre, P. Calvani, V. Giliberti, A. Nucara and M. Ortolani "Tunability of the dielectric function of heavily doped germanium thin films for mid-infrared plasmonics" Physical Review B 94, 085202 (2016) - DOI: 10.1103/PhysRevB.94.085202
- F. Pezzoli, A. Giorgioni, K. Gallacher, F. Isa, P. Biagioni, R.W. Millar, E. Gatti, E. Grilli, E. Bonera, G. Isella, D.J. Paul and L. Miglio, "Disentangling nonradiative recombination processes in Ge micro-crystals on Si substrates" Applied Physics Letters 108 262103 (2016) - DOI: 10.1063/1.4955020
- K. Gallacher, A. Ballabio, R. W. Millar, J. Frigerio, A. Bashir, I. Maclaren, G. Isella, M. Ortolani, and D.J. Paul, "Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates" Applied Physics Letters 108, 091114 (2016) - DOI: 10.1063/1.4943145
- R.W. Millar, K. Gallacher, J. Frigerio, A. Ballabio, A. Bashir, I. MacLaren, G. Isella and D. J. Paul, "Analysis of Ge micro-cavities with in-plane tensile strains above 2%" Optics Express 24(5), pp. 4365 - 4374 (2016) - DOI: 10.1364/OE.24.004365
- G. Han, S.R. Popuri, H.F. Greer, J.‐W.G. Bos, W. Zhou, A.R. Knox, A. Montecucco, J. Siviter, E.A. Man, M. Macauley, D.J. Paul, W. Li, M.C. Paul, M. Gao, T. Sweet, R. Freer, F. Azough, H. Baig, N. Sellami, T.K. Mallick, D.H. Gregory "Facile Surfactant‐Free Synthesis of p‐type SnSe Nanoplates with Exceptional Thermoelectric Power Factors" Angewandte Chemie 128(22), pp. 6543 - 6547 (2016) - DOI: 10.1002/ange.201601420
- D.J. Paul, "8-band k.p modelling of mid-infrared intersubband absorption in Ge quantum wells" Journal of Applied Physics 120, 043103 (2016) - DOI: 10.1063/1.4959259
- P. Campsie, G.D. Hammond, R.P. Middlemiss, D.J. Paul and A. Samarelli, "Measurement of acceleration" Patent WO2016030435 A1 - Google patents: WO2016030435 A1
- M.P. Fischer, C. Schmidt, E. Sakat, J. Stock, A. Samarelli, J. Frigerio, M. Ortolani, D.J. Paul, G. Isella, A. Leitenstorfer, P. Biagioni, and D. Brida, "Optical Activation of Germanium Plasmonic Nanoantennas in the Mid Infrared" arXiv preprint arXiv: 1603.06339
- F. Pezzoli, A. Giorgioni, K. Gallacher, F. Isa, P. Biagioni, R.W. Millar, E. Gatti, E. Grilli, E. Bonera, G. Isella, D.J. Paul, and L. Miglio "Disentangling nonradiative recombination processes in Ge micro-crystals on Si substrates" arXiv preprint arXiv:1603.08700
- J. Frigerio, A. Ballabio, G. Isella, E. Sakat, P. Biagioni, M. Bollani, E. Napolitani, C. Manganelli, M. Virgilio, A. Grupp, M.P. Fischer, D. Brida, K. Gallacher, D.J. Paul, L. Baldassarre, P. Calvani, V. Giliberti, A. Nucara and M. Ortolani "Tunability and Losses of Mid-infrared Plasmonics in Heavily Doped Germanium Thin Films": arXiv preprint arXiv:1601.05321
- L. Ferre Llin, A. Samarelli, S. Cecchi, D. Chrastina, G. Isella, E. Müller Gubler, T. Etzelstorfer, J. Stangl and D.J. Paul, "Thermoelectric cross-plane properties on p- and n-Ge/SixGe1-x superlattices" Thin Solid Films 602, pp. 90 - 94 (2016) - DOI: 10.1016/j.tsf.2015.09.059
- R.W. Millar, K. Gallacher, A. Samarelli, J. Frigerio, D. Chrastina, T. Dieing, G. Isella and D.J. Paul, "Expanding the Ge emission wavelength to 2.25 μm with SixNy strain engineering" Thin Solid Films 602, pp. 60 - 63 (2016) - DOI: 10.1016/j.tsf.2015.07.017
- A. Samarelli, J. Frigerio, E. Sakat, L. Baldassarre, K. Gallacher, M. Finazzi, G. Isella, M. Ortolani, P. Biagioni and D.J. Paul "Fabrication of mid-infrared plasmonic antennas based on heavily doped germanium thin films" Thin Solid Films 602, pp. 52 - 55 (2016) - DOI: 10.1016/j.tsf.2015.10.005
- X. Meng, N. Sellami, A.R. Knox, A. Montecucco, J. Siviter, P. Mullen, A. Ashraf, A. Samarelli, L. Ferre Llin, D.J. Paul, W. Li, M.C. Paul, D.H. Gregory, G. Han, M. Gao, T. Sweet, R. Freer, F. Azough, R. Lowndes, X. Xia, T.K. Mallick, "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
- K. Gallacher, L. Baldassarre, A. Samarelli, R. W. Millar, A. Ballabio, J. Frigerio, G. Isella, A. Bashir, I. MacLaren, V. Giliberti, G. Pellegrinia, P. Biagioni, M. Ortolani and D. J. Paul, "Ge-on-Si Photonics for Mid-infrared Sensing Applications" MRS Advances 2016 (2016) - DOI: 10.1557/adv.2016.391
- R.W. Millar, K. Gallacher, J. Frigerio, A. Ballabio, A. Bashir, I. MacLaren, G. Isella and D. J. Paul, "Engineering Large In-Plane Tensile Strains in Ge Microdisks, Microrings and Racetrack Optical Cavities
" ECS Transactions 75(8), pp. 633 - 640 (2016) - DOI: 10.1149/07508.0633ecst
- L. Baldassarre, E. Sakat, J. Frigerio, A. Samarelli, V. Giliberti, G. Pellegrini, K. Gallacher, M. Fischer, D. Brida, G. Isella, P. Biagioni, D.J. Paul and M. Ortolani, "Mid-Infrared Sensing Using Heavily Doped Germanium Plasmonics on Silicon Substrates" ECS Transactions 75(8), pp. 247 - 251 (2016) - DOI: 10.1149/07508.0247ecst
- L. Ferre Llin, F. Mirando, A. Samarelli, A. Odia, S. Cecchi, T. Etzelstorfer, E. Müller Gubler, D. Chrastina, G. Isella, J. Stangl, J.M.R. Weaver, P. Dobson and D.J. Paul, "The Use of Silicon-Germanium Superlattices in Thermoelectric Devices and Microfabricated Generators" ECS Transactions 75(8), pp469 - 478 (2016) - DOI: 10.1149/07508.0469ecst
- K. Gallacher, A. Ballabio, R.W. Millar, J. Frigerio, A. Bashir, I. MacLaren, G. Isella, M. Ortolani and D.J. Paul, "Mid-Infrared Intersubband Absorption from p-Ge Quantum Wells Grown on Si Substrates" ECS Transactions 75(8), pp. 253 - 256 (2016) - DOI: 10.1149/07508.0253ecst
- F. Azough, R. Freer, S.R. Yeandel, J.D. Baran, M. Molinari, S.C. Parker, E. Guilmeau, D. Kepaptsoglou, Q. Ramasse, A. Knox, D. Gregory, D.J. Paul, M. Paul, A. Montecucco, J. Siviter, P. Mullen, W. Li, G. Han, E.A. Man, H. Baig, Tapas Mallick, N. Sellami, G. Min and T. Sweet, "Ba6−3xNd8+2xTi18O54 Tungsten Bronze: A New High-Temperature n-Type Oxide Thermoelectric" Journal of Electronic Materials 45(3), pp. 1894 - 1899 (2016) - DOI: 10.1007/s11664-015-4275-6
- T.K.N. Sweet, M. Rolley, G. Min, A. Knox, D. Gregory, D.J. Paul, M. Paul, A. Montecucco, J. Siviter, P. Mullen, A. Ashraf, W. Li, T. Mallick, N. Sellami, H. Baig, X.-l. Meng, R. Freer, F. Azough and E.F. Fernández, "Scalable Solar Thermoelectrics and Photovoltaics (SUNTRAP)" AIP Conference Proceedings 1766, 080007 (2016) - DOI: 10.1063/1.4962105
- K. Gallacher, A. Ballabio, R. W. Millar, J. Frigerio, A. Bashir, I. MacLaren, G. Isella, M. Ortolani and D. J. Paul, "Intersubband absorption in p-Ge QWs on Si" 2016 IEEE 13th International Conference on Group IV Photonics (GFP) 13, pp. 30 - 31 (2016) - DOI: 10.1109/GROUP4.2016.7739130
- K. Bongs et al., "The UK National Quantum Technologies Hub in sensors and metrology (Keynote Paper)" Proceedings SPIE 9900, 990009 (2016) - DOI: 10.1117/12.2232143
- D.J. Paul, "Nano-and Micro-fabrication Techniques for Improving Thermoelectric Materials and Generators" Thermoelectric Materials and Devices 17, pp. 83 - 108 (1996) in "Thermoelectric Materials and Devices (Energy Environment Series)" edited by Iris Nandhakumar, Neil M. White, Stephen Beeby, Royal Society of Chemistry (2016) - ISBN: 978-1-78262-323-6
- A. Mellor, I. Guarracino, L. Ferre Llin, D. Alonso-Alvarez, A. Riverola, S. Thoms, D.J. Paul, C.N. Markides, D. Chemisana, S. Maier and N. Ekins-Daukes, "Specially designed solar cells for hybrid photovoltaic-thermal generators" IEEE 43rd Photovoltaic Specialists Conference (PVSC) 43 pp. 2960 - 2963 (2016) - DOI: 10.1109/PVSC.2016.7750203
- M. P. Fischer, A. Riede, A. Grupp, K. Gallacher, J. Frigerio, M. Ortolani, D. J. Paul, G. Isella, A. Leitenstorfer, P. Biagioni and D. Brida "Germanium plasmonic nanoantennas for third-harmonic generation in the mid infrared" 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) 41, pp. 1 - 2 - DOI: 10.1109/IRMMW-THz.2016.7758692
- G. Pellegrini, L. Baldassarre, V. Giliberti, J. Frigerio, K. Gallacher, D. J. Paul, G. Isella, M. Ortolani and P. Biagioni, "Benchmarking the use of heavily-doped Ge against noble metals for plasmonics and sensing in the mid-infrared"41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) 41, pp. 1 - 2 - DOI: 10.1109/IRMMW-THz.2016.7758628
- L. Baldassarre, E. Sakat, M. Bollani, A. Samarelli, K. Gallacher, J. Frigerio, G. Pellegrini, V. Giliberti, A. Ballabio, M. P. Fischer, D. Brida, G. Isella, D. J. Paul, M. Ortolani and P. Biagioni, "Mid-infrared plasmonic platform based on n-doped Ge-on-Si: Molecular sensing with germanium nano-antennas on Si" 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) 41, pp. 1 - 2 - DOI: 10.1109/IRMMW-THz.2016.7758725
- K. Gallacher, R. W. Millar, A. Ballabio, J. Frigerio, A. Bashir, I. MacLaren, G. Isella, M. Ortolani and D. J. Paul, "Mid-infrared intersubband absorption from p-Ge quantum wells on Si" 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) 41, pp. 1 - 2 - DOI: 10.1109/IRMMW-THz.2016.7758421
- V. P. Georgiev, M. M. Mirza, A. I. Dochioiu, F. A. Lema, S. M. Amoroso, E. Towie, C. Riddet, D. A. MacLaren, A. Asenov and D. J. Paul, "Experimental and simulation study of a high current 1D silicon nanowire transistor using heavily doped channels" 2016 IEEE Nanotechnology Materials and Devices Conference (NMDC) 11, pp. 1-3 - DOI: 10.1109/NMDC.2016.7777084
2015
- L. Baldassarre, E. Sakat, J. Frigerio, A. Samarelli, K. Gallacher, E. Calandrini, G. Isella, D.J. Paul, M. Ortolani, P. Biagioni, "Mid-infrared plasmon-enhanced spectroscopy with germanium antennas on silicon substrates" Nano Letters 15(11), pp. 7225 - 7231 (2015) - DOI: 10.1021/acs.nanolett.5b03247
- R.W. Millar, K. Gallacher, A. Samarelli, J. Frigerio, D. Chrastina, G. Isella, T. Dieing and D.J. Paul "Extending the emission wavelength of Ge nanopillars to 2.25 μm using silicon nitride stressors" Optics Express 23(14), pp. 18193 - 18202 (2015) DOI: 10.1364/OE.23.018193
- P. Biagioni, J. Frigerio, A. Samarelli, K. Gallacher, L. Baldassarre, E. Sakat, E. Calandrini, R.W. Millar, V. Giliberti, G. Isella, D.J. Paul and M. Ortolani "Group-IV midinfrared plasmonics" Journal of Nanophotonics 9(1), 093789 (2015) - DOI: 10.1117/1.JNP.9.093789
- W. Li, M.C. Paul, A. Montecucco, A.R. Knox, J. Siviter, N. Sellami, X.-L. Meng, E. Fernandez, T.K. Mallick, P. Mullen, A. Ashraf, A. Samarelli, L. Ferre Llin and D.J. Paul, D.H. Gregory, M. Gao, T. Sweet, F. Azough, R. Lowndes and R. Freer, "Multiphysics Simulations of a Thermoelectric Generator" Energy Procedia 75, pp. 633 - 638 (2015) - DOI: 10.1016/j.egypro.2015.07.473
- W. Li, M.C. Paul, N. Sellami, X.-L. Meng, T.K. Mallick, E. Fernandez, A.R. Knox, A. Montecucco, J. Siviter, P. Mullen, A. Ashraf, A. Samarelli, L. Ferre Llin and D.J. Paul, D.H. Gregory, M. Gao, T. Sweet, F. Azough, R. Lowndes and R. Freer, "Coupled Simulation of Performance of a Crossed Compound Parabolic Concentrator with Solar Cell" Energy Procedia 75, pp. 325 - 330 (2015) - DOI: 10.1016/j.egypro.2015.07.371
- A. Odia, L. Ferre Llin, A. Samarelli and D.J. Paul "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 (2015) - DOI: 10.1016/j.matpr.2015.05.070
- M.P. Fischer, C. Schmidt, J. Stock, E. Sakat, A. Samarelli, J. Frigerio, P. Biagioni, D.J. Paul, G. Isella, A. Leitenstorfer, and D. Brida "Optical Switching of Mid-Infrared Plasmonic Nanoantennas Based on Germanium" CLEO QELS 2015, FW3E.2 (2015) - DOI: 10.1364/CLEO_QELS.2015.FW3E.2
- M.P. Fischer, C. Schmidt, J. Stock, E. Sakat, A. Samarelli, J. Frigerio, P. Biagioni, D.J. Paul, G. Isella, A. Leitenstorfer, and D. Brida "Optical Activation of Plasmonic Germanium Nanoantennas Resonant in the Mid-Infrared" 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference 2015, EH_5_5 (2015) - DOI: OSA web pages
- P. Biagioni, E. Sakat, L. Baldassarre, E. Calandrini, A. Samarelli, K. Gallacher, J. Frigerio, G. Isella, D. J. Paul and M. Ortolani "Mid-infrared plasmonic resonances exploiting heavily-doped Ge on Si" Proceedings SPIE 9357, 93570G (2015) - DOI: 10.1117/12.2084500
- K. Gallacher, A. Ballabio, R.W. Millar, A. Samarelli, J. Frigerio, D. Chrastina, G. Isella, L. Baldassarre, M. Ortolani, E. Sakat, P. Biagioni and D.J. Paul, "Mid-infrared intersubband absorption in p- Ge/SiGe quantum wells grown on Si" Proceedings IEEE Group IV Photonics 2015, pp. 15 - 16 (2015) - DOI: 10.1109/Group4.2015.7305931
- R.W. Millar, K. Gallacher, J. Frigerio, D. Chrastina, G. Isella and D.J. Paul, "Highly strained Ge on Si microdisks with silicon nitride stressors" Proceedings IEEE Group IV Photonics 2015, pp. 65 - 66 (2015) - DOI: 10.1109/Group4.2015.7305948
- J. Frigerio, L. Baldassarre, E. Sakat, A. Samarelli, K. Gallacher, M. Fischer, D. Brida, D.J. Paul, G.Isella, P. Biagioni and M. Ortolani"Heavly phosphorous-doped germanium thin films for mid-infrared plasmonics" Proceedings IEEE Group IV Photonics 2015 pp. 94 - 95 (2015) - DOI: 10.1109/Group4.2015.7305964
2014
- C. Busche, L. Vila-Nadal, J. Yan, H.N. Miras, De-L. Long, V.P. Georgiev, A. Asenov, R.H. Pedersen, N. Gadegaard, M.M. Mirza, D.J. Paul, J.M. Poblet and L. Cronin, "Design and fabrication of memory devices based on nanoscale polyoxometalate clusters" Nature 515, Issue 7528, pp. 545 - 549 (2014) - DOI: 10.1038/nature13951
- M.M. Mirza, D.A. MacLaren, A. Samarelli, B.M. Holmes, H. Zhou, S. Thoms, D. MacIntyre and D.J. Paul, "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 (2014) - DOI: 10.1021/nl5015298
- D.C.S. Dumas, K. Gallacher, S. Rhead, M. Myronov, D.R. Leadley and D.J. Paul, "Ge/SiGe quantum confined Stark effect
electro-absorption modulation with low voltage swing at λ = 1550 nm" Optics Express 22(16), pp. 19284 - 19292 (2014) - DOI: 10.1364/OE.22.019284
- D.C.S. Dumas, K. Gallacher, R.Millar, I. MacLaren, M. Myronov, D.R. Leadley and D.J. Paul, "Silver antimony Ohmic contacts to moderately-doped n-type germanium" Applied Physics Letters 104, 162101 (2014) - DOI: 10.1063/1.4873127
- S.C. Cecchi, E. Gatti, D. Chrastina, J. Figerio, E. Müller Gubler, D.J. Paul, M. Guzzi and G. Isella, "Thin SiGe virtual substrates for Ge heterostructures integration on silicon" Journal of Applied Physics 115, 093502 (2014) - DOI: 10.1063/1.4867368
- A. Samarelli, L. Ferre Llin, S. Cecchi, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl, E. Müller Gubler, J.M.R. Weaver, P. Dobson, D.J. Paul, "Multilayered Ge/SiGe Material in Microfabricated Thermoelectric Modules" Journal of Electronic Materials 43(10), pp. 3838 - 3843 - DOI: 10.1007/s11664-014-3233-z
- A. Samarelli, L. Ferre Llin, Y. Zhang, J.M.R. Weaver, P.S. Dobson, S. Cecchi, J. Frigerio, F. Isa, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl, E. Müller Gubler and D.J. Paul,
"Prospects for SiGe thermoelectric generators" Solid State Electronics, 98, pp. 70 - 74 (2014) DOI: 10.1016/j.sse.2014.04.003
- A. Samarelli, L. Ferre Llin, S. Cecchi, J. Frigerio, T. Etzelstorfer, E. Müller Gubler, J. Stangl, D. Chrastina, G. Isella and D.J. Paul,
"The Thermoelectric Properties of Ge/SiGe Based Superlattices: from Materials to Energy Harvesting Modules" ECS Transactions, 64, pp. 929 - 937 (2014) DOI: 10.1149/06406.0929ecst
- D.R.S. Cumming, S.B. Furber and D.J. Paul, "Beyond Moore's law" Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 372(2012), pp. 20130376 (2014) - DOI: 10.1098/rsta.2013.0376
- G. Abadal Berini, G. Fagas, L. Gammaitoni and D.J. Paul, "A research agenda towards zero-power ICT" Intech Open Access from "ICT - Energy - Concepts Towards Zero - Power Information and Communication Technology " (2014) - DOI: 10.5772/57092
- D.J. Paul, "Thermoelectric Energy Harvesting" Intech Open Access from "ICT - Energy - Concepts Towards Zero - Power Information and Communication Technology " (2014) - DOI: 10.5772/57347
- D.J. Paul "Quantum Cascade Lasers" in "Physics and Applications of Terahertz Radiation" Edited by M. Perenzoni and D.J. Paul, Springer Series in Optical Sciences 173, pp. 103 - 121 (2014) DOI: 10.1007/978-94-007-3837-9_4
- M. Perenzoni and D.J. Paul (Editors), "Physics and Applications of Terahertz Radiation" Springer Series in Optical Sciences 173 - Web: http://link.springer.com/book/10.1007/978-94-007-3837-9, ISBN: 978-94-007-3836-2
- D.C.S. Dumas, K. Gallacher, S. Rhead, M. Myronov, D.R. Leadley and D.J. Paul, "Ge/SiGe quantum confined Stark effect modulators with low voltage swing at λ = 1550 nm" Proceedings of the IEEE Group IV Photonics, Paris, August (2014) - DOI: 10.1109/Group4.2014.6961946
- R.W. Millar, K. Gallacher, A. Samarelli, D.C.S. Dumas, M. Myronov, D.R. Leadley and D.J. Paul, "Process induced tensile strain of Ge on Si nanopillars by ICP-PECVD SiN stressor layers" Proceedings of the IEEE Group IV Photonics, Paris, August (2014) - DOI: 10.1109/Group4.2014.6961941
- J. Frigerio, M. Ortolani, L. Baldassarre, E. Calandrini, A. Samarelli, K. Gallacher, E. Sakat, M. Finazzi, D.J. Paul, P. Biagioni and G. Isella, "Mid-infrared Plasmonic Germanium Antennas on Silicon" Proceedings of the IEEE Group IV Photonics, Paris, August (2014) - DOI: 10.1109/Group4.2014.6962011
- E. Sakat, M. Ortolani, L. Baldassarre, E. Calandrini, A. Samarelli, K. Gallacher, J. Frigerio, M. Finazzi, G. Isella, D. J. Paul, and P. Biagioni "Mid-infrared plasmonic germanium antennas integrated on a silicon substrate" Proceedings of Near-Field Optics, Nanophotonics and Related Techniques, Salt Lake City, USA (2014)
- L. Baldassarre, E. Calandrini, A. Samarelli, K. Gallacher, D.J. Paul, J. Frigerio, G. Isella, E. Sakat, M. Finazzi, P. Biagioni and M. Ortolani, "Mid-Infrared plasmonic platform based on heavily doped epitaxial Ge-on-Si: retrieving the optical constants of thin Ge epilayers" 39th Proceedings of the International Conference on Infrared, Millimeter, and Terahertz Waves, Tucson, USA pp. 1-3 (2014) (Invited paper) DOI: 10.1109/IRMMW-THz.2014.6956438
2013
- L. Ferre Llin, A. Samarelli, S. Cecchi, T. Etzelstorfer, E. Müller Gubler, D. Chrastina, G. Isella, J. Stangl, J. M. R. Weaver, P. S. Dobson, and D. J. Paul "The cross-plane thermoelectric properties of p-Ge/Si0.5Ge0.5 superlattices" Applied Physics Letters 103, 143507 (2013) - DOI: 10.1063/1.4824100
- R.E. Warburton, G. Intermite, M. Myronov, P. Allred, D.R. Leadley, K. Gallacher, D.J. Paul, N.J. Pilgrim, L.J.M.Lever, Z. Ikonic, R.W. Kelsall, E. Huante-Ceron, A.P. Knights and G.S. Buller "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, pp 3807-3813 (2013) - DOI: 10.1109/TED.2013.2282712
- A. Samarelli, L. Ferre Llin, S. Cecchi, J. Frigerio, T. Etzelstorfer, E. Müller, Y. Zhang, J. R. Watling, D. Chrastina, G. Isella, J. Stangl, J. P. Hague, J. M. R. Weaver,
P. Dobson, and D. J. Paul "The thermoelectric properties of Ge/SiGe modulation doped superlattices" Journal of Applied Physics 113, 233704 (2013) - DOI: 10.1063/1.4811228
- D. Chrastina, S. Cecchi, J. P. Hague, J. Frigerio, A. Samarelli, L. Ferre-Llin, D.J. Paul, E. Müller, T. Etzelstorfer, J. Stangl and G. Isella
"Ge/SiGe superlattices for nanostructured thermoelectric modules" Thin Solid Films 543, 153 (2013) - DOI: 10.1016/j.tsf.2013.01.002
- L. Ferre Llin, A. Samarelli, Y. Zhang, J. M. R. Weaver, P. Dobson, S. Cecchi, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl, E. Müller and D.J. Paul
"Thermal Conductivity Measurement Methods for SiGe Thermoelectric Materials" Journal of Electronic Materials 42(7), pp 2376 - 2380 (2013) - DOI: 10.1007/s11664-013-2505-3-z
- A. Samarelli, L. Ferre Llin, Y. Zhang, J. M. R. Weaver, P. Dobson, S. Cecchi, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl, E. Müller and D.J. Paul
"Power Factor Characterization of Ge/SiGe Thermoelectric Superlattices at 300 K" Journal of Electronic Materials 42(7), pp 1449 - 1453 (2013) - DOI: 10.1007/s11664-012-2287-z
- S. Cecchi, T. Etzelstorfer, E. Müller, A. Samarelli, L. Ferre Llin, D. Chrastina, G. Isella, J. Stangl, J. M. R. Weaver, P. Dobson and D. J. Paul
"Ge/SiGe Superlattices for Thermoelectric Devices Grown by Low-Energy Plasma-Enhanced Chemical Vapor Deposition" Journal of Electronic Materials 42(7) pp. 2829 - 2835 (2013) - DOI: 10.1007/s11664-013-2511-5
- S.C. Cecchi, T. Etzelstorfer, E. Müller, D. Chrastina, G. Isella, J. Stangl, A. Samarelli, L. Ferre Llin and D.J. Paul,
"Ge/SiGe superlattices for thermoelectric energy conversion devices" Journal of Materials Science 48(7), pp. 2829-2835 (2013) - DOI: 10.1007/s10853-012-6825-0
- R.W. Kelsall, V. Dinh, P. Ivanov, S. Valavanis, L.J.M. Lever, Z. Ikonic, P. Velha, D.C. Dumas, K.F. Gallacher, D.J. Paul, J. Halpin, M. Myrnov, Maksym D.R. Leadley, "(Invited) Germanium/Silicon Heterostructures for Terahertz Emission" ECS Transactions 50, pp. 763 - 771 DOI: 10.1149/05009.0763ecst
- D.J. Paul, A. Samarelli, L. Ferre Llin, Y. Zhang, J.M.R. Weaver, P.S. Dobson, S. Cecchi, J. Frigerio, F. Isa, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl and E. Müller Gubler, "Si/SiGe Thermoelectric Generators" ECS Transactions 50, pp. 959 - 963 - DOI: <10.1149/05009.0959ecst
- G. Ternent and D.J. Paul, "Si/SiGe Tunneling Static Random Access Memories" ECS Transactions 50, pp. 987 - 990 - DOI: 10.1149/05009.0987ecst
- P. Velha, K.F. Gallacher, D.C. Dumas, D.J. Paul, M. Myronov and D.R. Leadley, "Direct Band-gap Electroluminescence from Strained n-Ge Light Emitting Diodes" ECS Transactions 50, pp. 305 - 308 - DOI: 10.1149/05009.0305ecst
- P. Velha, K.F. Gallacher, D.C. Dumas, D.J. Paul, M. Myronov and D.R. Leadley, "Long Wavelength &ge 1.9 µm Germanium for Optoelectronics Using Process Induced Strain" ECS Transactions 50, pp. 779 - 782 - DOI: 10.1149/05009.0779ecst
- M. Ortolani, L. Baldassarre, A. Nucara, A. Samarelli, D.J. Paul, J. Frigerio, G. Isella, M. Finazzi and P. Biagioni, "Mid-infrared plasmonic antennas made of electron-doped epitaxial germanium-on-silicon" 39th Proceedings of the 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013, pp. 1-2 - DOI: 10.1109/IRMMW-THz.2013.6665614
- D.J. Paul, A. Samarelli, L. Ferre Llin, Y. Zhang, J.M.R. Weaver, P.S. Dobson, S. Cecchi, J. Frigerio, F. Isa, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl and E. Müller Gubler,
"Prospects for SiGe thermoelectric generators" 14th International Conference on Ultimate Integration on Silicon (ULIS) 2013 pp. 5 - 8 (2013) - DOI: 10.1109/ULIS.2013.6523478
- G. Intermite, R.E. Warburton, M. Myronov, Phil Allred, D.R. Leadley, K. Gallagher, D.J. Paul, N.J. Pilgrim, L.J.M. Lever, Z. Ikonic, R.W. Kelsall, and G.S. Buller, "Design and performance of a prototype mesa-geometry Ge-on-Si single-photon avalanche diode detector at 1310 nm and 1550 nm wavelengths" Proceedings of 2013 IEEE 10th International Conference onGroup IV Photonics (GFP), 2013 pp. 132 - 133 (2013) pp142 - 144 (2013) - DOI: 10.1109/Group4.2013.6644406
- P. Velha, D.C. Dumas, K. Gallacher, R. Millar, M. Myronov, D.R. Leadley and D.J. Paul, "Strained germanium nanostructures on silicon mmitting at λ >2.2 µm wavelength" Proceedings of 2013 IEEE 10th International Conference onGroup IV Photonics (GFP) 2013 - DOI: 10.1109/Group4.2013.6644411
- D.J. Paul, A. Samarelli, L. Ferre Llin, S. Cecchi, J. Frigerio, D Chrastina, G. Isella, T. Etzelstorfer, J. Stangl, E. Müller Gubler, Y. Zhang, J.M.R. Weaver and P.S. Dobson,
"SiGe Microfabricated Thermoelectric Generators" Nanoenergy Letters 6 (2014)
2012
- K. Gallacher, P. Velha, D.J. Paul, S. Cecchi, J. Figerio, D. Chrastina and G. Isella, "1.55 μm direct bandgap electroluminescence from strained n-Ge quantum wells grown on Si substrates" Applied Physics Letters 101, 211101 (2012) doi 10.1063/1.4767138
- G. Ternent and D.J. Paul, "SPICE modelling of the scaling of resonant tunnelling diodes and the effects of sidewall leakage" IEEE Transactions on Electron Devices 59(12), 3555 (2012) doi 10.1109/TED.2012.2219867
- K. Gallacher, P. Velha, D.J. Paul, I. MacLaren, M. Myranov and D.R. Leadley, "Ohmic contacts to n-type germanium with low specific contact resistivity" Applied Physics Letters 100, 022113 (2012) doi: 10.1063/1.3676667
- M. Mirza, H. Zhou, X. Li, P. Velha, K. Docherty, A. Samarelli, G. Ternent and D.J. Paul, "Nanofabrication of high aspect ratio (~50:1) sub-10 nm silicon nanowires using plasma etch technologies" Journal of Vacuum Science and Technology B 30(6), 06FF02-1 (2012) DOI: 10.1116/1.4755835
- P. Velha, D. Dumas, K. Gallacher, D.J. Paul, M. Myronov and D.R. Leadley "Expanding the absorption wavelength of germanium to 2 µm using process induced strain" Optics Express (Submitted for publication)
- D.J. Paul, M. Sorel, P. Velha, M. Strain, K. Gallacher, A. Samarelli and D. Dumas, "Ge on Si Photonics Platform for Photonic Integrated Circuits (Invited)" Proceedings of the European Optical Society (Accepted for Publication 2012)
- D.J. Paul, A. Samarelli, L. Ferre Llin, Y. Zhang, J.M.R. Weaver, P.S. Dobson, S. Cecchi, J. Frigerio, F. Isa, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl and E. Müller Gubler, "Si/SiGe Thermoelectric Generators (Invited)" Electrochemical Society Transactions 50(9), pp.959-963 (2012)
- P. Velha, D.J. Paul, M. Myronov and D.R. Leadley, "Long Wavelength >1.9 μm Germanium for Optoelectronics Using Process Induced Strain" Electrochemical Society Transactions 50(9), pp.779-782 (2012)
- R. Kelsall, V. Dinh, P. Ivanov, A. Valavanis, L. Lever, Z. Ikonic, P. Velha, D. Dumas, K. Gallacher, D.J. Paul, J. Halpin, M. Myrnov, and D. Leadley, "Germanium/Silicon Heterostructures for Terahertz Emission" Electrochemical Society Transactions 50(9), pp.763-771 (2012)
- G. Ternent and D.J. Paul, "Si/SiGe Tunneling Static Random Access Memories" Electrochemical Society Transactions 50(9), pp.987-990 (2012)
- K. Gallacher, P. Velha, D.J. Paul, I. MacLaren, M. Myronov and D.R. Leadley, "Low Specific Ohmic Contacts to n-type Germanium Using a Low Temperature NiGe Process" Electrochemical Society Transactions 50(9), pp.1081-1084 (2012)
- P. Velha, K. Gallacher, D. Dumas, D.J. Paul, M. Myronov and D.R. Leadley "Direct Band-Gap Electroluminescence from Strained n-Ge Light Emitting Diodes" Electrochemical Society Transactions 50(9), pp.305-308 (2012)
- K. Gallacher, P. Velha, D.J. Paul, S. Cecchi, J. Frigerio, D. Chrastina and G. Isella, "1.55 μm Electroluminescence from Strained n-Ge Quantum Wells on Silicon Substrates" Proceedings of the IEEE Group IV Photonics, San Diego, USA, FB6, pp. 337-339 (2012) DOI: 10.1109/GROUP4.2012.6324093
- P. Velha, K. Gallacher, D. Dumas, D.J. Paul, M. Myronov and D.R. Leadley " Tuning the Electroluminescence of n-Ge LEDs using Process Induced Strain" Proceedings of the IEEE Group IV Photonics, San Diego, USA, WP3, pp.81-83 (2012) DOI: 10.1109/GROUP4.2012.6324179
- D.J. Paul, A. Samarelli, L. Ferre Llin, Y. Zhang, J.M.R. Weaver, P.S. Dobson, S. Cecchi, J. Frigerio, F. Isa, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl and E. Müller Gubler, "Si/SiGe Nanoscale Engineered Thermoelectric Materials for Energy Harvesting" Proceedings of the IEEE International Conference on Nanotechnology 2012, ThP1T3, 7913 (2012) doi 10.1109/NANO.2012.6322044
- M. M. Mirza, P.Velha, G. Ternent, H. P. Zhou, K. E. Docherty and D. J. Paul "Silicon Nanowire Devices with Widths Below 5 nm" Proceedings of the IEEE International Conference on Nanotechnology 2012, WeA2T1, 7822 (2012) DOI: 10.1109/NANO.2012.6322005
- G. Ternent, M.M. Mirza and D.J. Paul, "Scaling Resonant Tunneling Diodes and Nanowires using SPICE Modeling to Optimise Nanoscale Device Performance" Proceedings of the IEEE International Conference on Nanotechnology 2012, ThA2T6, 7921 (2012) DOI: 10.1109/NANO.2012.6322050
- A. Samarelli, L. Ferre Llin, D.J. Paul, Y. Zhang, J.M.R. Weaver, P.S. Dobson, S. Cecchi, J. Frigerio, F. Isa, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl and E. Müller Gubler"Si/SiGe Heteroepitaxial materials for Thermoelectric Applications" Proceedings of the 31st International and 10th European Conference on Thermoelectrics (Accepted for publication 2012)
- A. Samarelli, L. Ferre Llin, D.J. Paul, Y. Zhang, J.M.R. Weaver, P.S. Dobson, S. Cecchi, J. Frigerio, F. Isa, D. Chrastina, G. Isella, T. Etzelstorfer, J. Stangl and E. Müller Gubler,"Accurate Measurements of Thermal Conductivity of SiGe Thermoelectric Materials" Proceedings of the 31st International and 10th European Conference on Thermoelectrics (Accepted for publication 2012)
- J.B. Gallagher, A. Knox, D.J. Paul and D.H. Gregory, "Synthesis and property measurement of nanoscale bismuth telluride thermoelectric materials" Proceedings of the 31st International and 10th European Conference on Thermoelectrics (Accepted for publication 2012)
- D.J. Paul, "Thermoelectric Energy Harvesting" 2nd Thomas-Young Centre Energy Materials Workshop And Tutorial (June 2012)
- M. Mirza, H. Zhou, X. Li, P. Velha, K. Docherty, A. Samarelli, G. Ternent and D.J. Paul, "Nanofabrication of high aspect ratio (~50:1) sub-10 nm silicon nanowires using plasma etch technologies" EIPBN, Hawaii, USA, (May 2012)
- M.M. Mirza, H.P. Zhou, K.E. Docherty, S. Thoms, D.S. MacIntyre and D.J. Paul, "High aspect ratio (~25:1) sub-10 nm HSQ lines using electron beam lithography" EIPBN, Hawaii, USA, (May 2012)
- P. Velha, M. Myranov, D.R. Leadley and D.J. Paul, "Process-induced strain bandgap reduction in germanium nanostructures" CLEO: Science and Innovations (CLEO: S and I) San Jose, California, USA, May 6, 2012 Low-dimensional Photonic Structures (CTh3D) DOI: Link
- P. Velha, K. Gallacher, D.C. Dumas, M. Myronov, D.R. Leadley and D.J. Paul, "Direct band-gap electroluminescence from strained n-doped germanium diode"CLEO: Science and Innovations (CLEO: S and I) San Jose, California, USA, May 6, (2012), Novel Light-emitting Materials (CW1L) DOI: link
2011
- J.R. Watling and D.J. Paul, "A study of the impact of dislocations on the thermoelectric propoerties of quantum wells in the Si/SiGe materials system" Journal of Applied Physics 110, 114508 (2011) - doi:10.1063/1.3665127
- G. Ternent, D.J. Paul, C.N. Ironside, K. Seuranine, D. MacLaren, M.J. Kelly, D. Zuo, D.R. Leadley and M. Myronov, "Sub-50 nm GaAs/AlAs and Si/SiGe Self-Aligned Resonant Tunnelling Diodes (Invited)" UK Semiconductor Conference, Sheffield, July (2011)
2010
- G. Matmon, D.J. Paul, L. Lever, Z. Ikonic, M. Califano, R.W. Kelsall, D. Chrastina, G. Isella, H. von Känel, E. Müller and A. Neels, "Si/SiGe quantum cascade superlattice designs for terahertz emission" Journal of Applied Physics 107, 053109 (2010) - doi:10.1063/1.3319653 Article pdf
- D.J. Paul "The progress towards terahertz quantum cascade lasers on silicon substrates" Laser and Photonics Reviews 4(5), 610 (2010) - doi:10.1002/lpor.200910038
- D.J. Paul "Si/SiGe Heterostructures in Nanoelectronics" Chapter in the Oxford Handbook of Nanoscience and Technology, Oxford University Press (March 2010)
2009
- D.J. Paul "Silicon photonics: A bright future?" Electronics Letters 45(12), pp582-584 (2009) - doi:10.1049/el.2009.1271
- D.J. Paul "Silicon photonics: A bright future?" Electronics Letters Special Supplement, pp14-16 June (2009)
2008
- D.J. Paul, G. Matmon, L. Lever, Z. Ikonic, R.W. Kelsall, D. Chrastina, G. Isella, H. von Känel, E. Müller and A. Neels "Si/SiGe terahertz bound-to-continuum quantum cascade emitters" ECS Transactions 16(10), pp865-874 (2008) - doi:10.1149/1.2986846
- T. Ferrus, R. George, C.H.W. Barnes, N. Lumpkin, D.J. Paul and M. Pepper, "Variation in the hopping exponent in disordered silicon MOSFETs" Journal of Physics: Condensed Matter 20(41), 415226 (2008) - doi:10.1088/0953-8984/20/41/415226
- D. Zhou, A. Zeitler, E. Parrott and D.J. Paul, "The use of terahertz time-domain spectroscopy to extract complex refractive index of metal films" Journal of Applied Physics 104, 053110 (2008) - doi:10.1063/1.2970161
- D.J. Paul, G. Matmon, L. Lever, Z. Ikonic, R.W. Kelsall, D. Chrastina, G. Isella and H. von Känel, "Si/SiGe bound-to-continuum quantum cascade emitters" Proceedings of the SPIE 6996, 69961C (2008) - Article PDF
- N. Q. Vinh, P. T. Greenland, K. Litvinenko, B. Redlich, A. F. G. van der Meer, S. A. Lynch, M. Warner, A. M. Stoneham, G. Aeppli, D. J. Paul, C. R. Pidgeon and B. N. Murdin, "Silicon as a model ion trap: time domain measurements of donor Rydberg states" Proceedings of the National Academy of Sciences 105(31), pp10649-10653 (2008) - doi:10.1073/pnas.0802721105
- D.J. Paul, "8-band k.p modelling of the quantum confined Stark effect in Ge quantum wells on Si substrates" Physical Review B 77, 155323 (2008) - doi: 10.1103/PhysRevB.77.155323
- D.J. Paul, G. Matmon, L. Lever, Z. Ikonić, R.W. Kelsall, D. Chrastina, G. Isella, H. von Känel, "Si/SiGe bound-to-continuum quantum cascade terahertz emitters" Proceedings SPIE 6996, 69961C1-8 (2008): Article pdf
- D.J. Paul, G. Matmon, L. Lever, Z. Ikonic, R.W. Kelsall, D. Chrastina, G. Isella, H. von Känel, E. Müller and A. Neels "Si/SiGe Bound-to-continuum Terahertz Quantum Cascade Emitters" Electrochemical Society Proceedings, Fall Meeting and SiGe Symposium (2008)
- G. Isella, G. Matmon, A. Neels, E. Müller, M. Califano, D. Chrastina, H. von Känel, L. Lever, Z. Ikonic, R. W. Kelsall and D. J. Paul, "SiGe/Si Quantum Cascade Structures Deposited by Low-Energy Plasma-Enhanced CVD" Proceedings IEEE Group IV Photonics, pp. 29-31 (2008) - DOI: 10.1016/j.tsf.2008.08.091
- I.M. Ross, M. Gass, T. Walther, A. Bleloch, A.G. Cullis, L. Lever, Z. Ikonic, M. Califano, R.W. Kelsall, J. Zhang and D.J. Paul, "Structural and Compositional Properties of Strain-Symmetrized SiGe/Si Heterostructures" Microscopy of Semiconducting Materials 2007, Springer Netherlands, pp. 269-272 (2008) - DOI: 10.1007/978-1-4020-8615-1_59
2007
- T. Ferrus, R. George, C.H.W. Barnes, N. Lumpkin, D.J. Paul and M. Pepper, "Activation mechanisms in sodium-doped silicon MOSFETs" Journal of Physics: Condensed Matter 19, 226216 (2007) - doi: 10.1088/0953-8984/19/22/226216
- Z. Suet, D.J. Paul, J. Zhang and S.G. Turner, "Si/SiGe n-type resonant tunneling diodes fabricated using in-situ hydrogen cleaning" Applied Physics Letters 90, 203501 (2007) - doi:10.1063/1.2739089
- M. Califano, N.Q.Vinh, P.J. Phillips, Z. Ikonic, R.W. Kelsall, P. Harrison, C.R. Pidgeon, B.N. Murdin, D.J. Paul, P. Townsend, J. Zhang, I.M. Ross and A.G. Cullis, "Interwell relaxation times in p-Si/SiGe asymmetric quantum well structures: the role of interface roughness" Physical Review B 75, 045338 (2007) - doi: 10.1103/PhysRevB.75.045338
- D.J. Paul, G. Matmon, P. Townsend, J. Zhang, M. Zhao and W.X. Ni, "A Review Of Progress Towards Terahertz Si/SiGe Quantum Cascade Lasers" IETE Journal of Research (3), pp. 285-292 (2007) – DOI: article pdf
- T. Ferrus, R. George, C.H.W. Barnes, N. Lumpkin, D.J. Paul and M. Pepper "Magnetoconductivity of Hubbard bands induced in silicon MOSFETs" Physica B: Condesed Matter 400(1-2), pp. 218-223 (2007) - DOI: 10.1016/j.physb.2007.07.011
- M. Califano, N.Q. Vinh, P.J. Phillips, Z. Ikonic, R.W. Kelsall, P. Harrison, C.R. Pidgeon, B.N. Murdin, D.J. Paul, P. Townsend, J. Zhang, I.M. Ross and A.G. Cullis, "Interface roughness scattering in p-Si/SiGe asymmetric quantum wells" Bulletin of the American Physical Society Vol. 52, Number 1, U43.7 (2007)
2006
- A. De Rossi, M. Carras and D.J. Paul, "Low-loss surface-mode waveguides for terahertz Si/SiGe quantum cascade lasers" IEEE Journal of Quantum Electronics 42(12), pp1233-1238 (2006) - doi:10.1109/JQE.2006.883496
- S.A. Lynch, D.J. Paul, P. Townsend, G. Matmon, Z. Suet, R.W. Kelsall, Z. Ikonic, P. Harrison, J. Zhang, D.J. Norris, A.G. Cullis, C.R. Pidgeon, P. Murzyn, B.N. Murdin, M. Bain, H.S. Gamble, M. Zhao and W.-X. Ni, "Towards silicon-based lasers for terahertz sources" IEEE Journal of Selected Topics in Quantum Electronics 12(6), pp1570-1578 (2006) - doi:10.1109/JSTQE.2006.884069
- T. Ferrus, R. George, C.H.W. Barnes, N. Lumpkin, D.J. Paul and M. Pepper, "Evidence for multiple impurity bands in sodium-doped silicon MOSFETs" Physical Review B 73, 041304 Rapid (2006) - doi: 10.1103/PhysRevB.73.041304
- M. Zhao, W.X. Ni, P. Townsend, S.A. Lynch, D.J. Paul, C.C. Hsu and M.N. Chang, "Low-temperature molecular beam epitaxy growth of Si/SiGe THz quantum cascade structures on virtual substrates" Thin Solid Films 508, pp24-28 (2006)
- S.H. Olsen, M. Temple, A.G. O'Neill, D.J. Paul, S. Chattopadhyay, K.S.K. Kwa and L.S. Driscoll, "Doubling speed using strained-Si/SiGe CMOS technology" Thin Solid Films 508, pp338-341 (2006)
2005
- C.R. Pidgeon, P.J. Phillips, D. Carder, B.N. Murdin, T. Fromherz, D.J. Paul, W.-X. Ni and M. Zhao, "Pump-probe measurement of lifetime engineering in SiGe quantum wells below the optical phonon energy" Semiconductor Science and Technology 20, ppL50-L52 (2005) - doi:10.1088/0268-1242/20/10/L02
- R.W. Kelsall, Z. Ikonic, C.R. Pidgeon, P.J. Philips, P. Harrison, S.A. Lynch, P. Townsend, D.J. Paul, S.L. Liew, D.J. Norris and A.G. Cullis, "Intersubband lifetimes in p-Si/SiGe terahertz quantum cascade heterostructures" Physical Review B 71, 115326 (2005) - doi:10.1103/PhysRevB.71.115326
- S.A. Lynch, P. Townsend, G. Matmon, D.J. Paul, Z. Ikonic, R.W. Kelsall, P. Harrison, D.J. Norris, A.G. Cullis, and D.D. Arnone, “Temperature dependence of terahertz optical transitions from boron and phosphorus dopant impurities in silicon” Applied Physics Letters 87, 101114 (2005) - doi:10.1063/1.2042544
- M. Dragosavac, D.J. Paul, M. Pepper, A.B. Fowler and D.A. Buchanan, "Effective electron mass in ultra-thin gate-oxide silicon MOSFET inversion layers" Semiconductor Science and Technology 20, pp664-667 (2005) - doi:10.1088/0268-1242/20/8/002
- G. Nicholas, T.J. Grasby, E.H.C. Parker, T.E. Whall, D.J. Paul, A.G.R. Evans and H. von Känel, "Investigation of the injection velocity of holes in strained-Si p-MOSFETs" Semiconductor Science and Technology 20, ppL20-L22 (2005) - doi: 10.1088/0268-1242/20/5/L02
- E. Kasper and D.J. Paul, "Silicon Quantum Integrated Circuits" Springer-Verlag, Berlin-Heidelberg (2005)
- D.J. Paul, S.A. Lynch, P. Townsend, Z. Ikonic, R.W. Kelsall, P. Harrison, S.L. Liew, D.J. Norris, A.G. Cullis, J. Zhang, M. Bain, H.S. Gamble, W.R. Tribe and D.D. Arnone, "Towards a Si/SiGe quantum casacde laser for terahertz applications" Materials Research Society Symposium Proceedings 832, pp56-68 (2005)
- S.A. Lynch, D.J. Paul, P. Townsend, G. Matmon, R.W. Kelsall, Z. Ikonic, P. Harrison, J. Zhang, D.J. Norris, A.G. Cullis, C.R. Pidgeon, P. Murzyn, B.N. Murdin, M. Bain and H.S. Gamble, "Silicon quantum cascade lasers for THz sources" 2005 Ieee Leos Annual Meeting Conference Proceedings (LEOS) 18th Annual Meeting of the IEEE-Lasers-and-Electro-Optical-Society, Oct. 22-28, Sydney, Australia (2005)
- P. Townsend , D.J. Paul, S.A. Lynch, R.W. Kelsall, Z. Ikonic, P. Harrison, D.J. Norris, A.G. Cullis, J. Zhang, X. Li, C.R. Pidgeon, B.N. Murdin and P. Murzyn, "LO phonon scattering as a depopulation mechanism in Si/SiGe quantum cascades" 2nd IEEE International Conference On Group IV Photonics, Sept. 21-23, Antwerp, Belgium (2005)
- M. Zhao, W.X. Ni, P. Townsend, S.A. Lynch, D.J. Paul, C.C. Hsu and M.N. Chang, "Growth and characterization of strain-symmetried Si/SiGe THz quantum cascade structures" 2nd IEEE International Conference On Group IV Photonics, Sept. 21-23, Antwerp, Belgium (2005)
- G. Matmon, S.A. Lynch, P. Townsend, D.J. Paul, M. Bain, H.S. Gamble, J. Zhang, Z. Ikonic, R.W. Kelsall and P. Harrison, "Terahertz emission and absorption characteristics of silicon containing boron and phosphorous impurity dopants and the effect of temperature" 2nd IEEE International Conference On Group IV Photonics, Sept. 21-23, Antwerp, Belgium (2005)
- D.J. Paul, P. Townsend, S.A. Lynch, R.W. Kelsall, Z. Ikonic, P. Harrison, D.J. Norris, S.L. Liew, A.G. Cullis, X. Li, J. Zhang, M. Bain, H.S. Gamble, International School of Solid State Physics, 35th Workshop: Physics and Technology of THz Photonics, Erice, Italy, 20-26th July (2005)
2004
- D.J. Paul, "Si/SiGe heterostructures: from material and physics to devices and circuits" Semiconductor Science and Technology 19, ppR75-R108 (2004) - doi:10.1088/0268-1242/19/10/R02
- S.H. Olsen, A.G. O'Neill, S. Chattopadhyay, L.S. Driscoll, K.S.K. Kwa, D.J. Norris, A.G. Cullis and D.J. Paul, "Study of single and dual-channel designs for high performance strained-Si/SiGe n-MOSFETs" IEEE Transactions of Electron Devices, 51(7), pp1245-1253 (2004) - doi:10.1109/TED.2004.830652
- D.J. Paul, P. Townsend, S.A. Lynch, R.W. Kelsall, Z. Ikonic, P. Harrison, D.J. Norris, S.L. Liew, A.G. Cullis, X. Li, J. Zhang, M. Bain, H.S. Gamble, W.R. Tribe and D.D. Arnone "In search of a Si/SiGe terahertz quantum cascade laser" IEEE Topical Meeting on Silicon Monolithic Intergrated Circuits in RF Systems, Digest Of Papers : pp143-146, September (2004)
- R.W. Kelsall, Z. Ikonic, P. Harrison, D.J. Paul, S.A. Lynch, R. Bates, D.J. Norris, S.L. Liew, A.G. Cullis, D.D. Arnone, D.J. Robbins and R.A. Soref, "Towards SiGe terahertz VCSELs" Materials Science Forum 453-454, pp1-8 (2004)
- I. Shlimak, V. Ginodman, M. Levin, M. Potemski, D.K. Maude, A. Gerber, A. Milner and D.J. Paul "Conductivity of weakly and strongly localised electrons in a n-type Si/SiGe heterostructure" Proceedings of the 10th Conference on Hopping and Related Phenomena 10, pp67-70 (2004)
2004
- R. Bates, S.A. Lynch, D.J. Paul, Z. Ikonic, R.W. Kelsall, P. Harrison, D.J. Norris, S.L. Liew, A.G. Cullis, W. Tribe and D.D. Arnone, "Diagonal intersubband transitions in Si/SiGe quantum cascade emitters" Applied Physics Letters 83(20), pp4092-4094 (2003) - doi:10.1063/1.1626003
- A. Lewalle, M. Pepper, C.J.B. Ford, D.J. Paul and G. Redmond, “The masking by weak localisation of metallic behaviour in a two-dimensional system in strong parallel magnetic fields” Physical Review B 69, art. no. 075316 pp1-6 (2004) - doi: 10.1103/PhysRevB.69.075316
2003
- S. Olsen, L. Driscoll, K. Kwa, S. Chattopadhyay, A. O'Neill, A. Waite, Y. Tang, A. Evans, D.J. Norris, A.G. Cullis, D.J. Paul and D.J. Robbins "High performance strained Si/SiGe nMOSFETs using a novel CMOS architecture" IEEE Transactions on Electron Devices 50(9), pp1961-1969 (2003) - doi:10.1109/TED.2003.815603
- I. Shlimak, V. Ginodman, M. Levin, M. Potemski, D.K. Maude, K.-J. Friedland and D.J. Paul "Longitudinal conductivity in Si/SiGe heterostructures at integer filling factors" Physical Review B 68, Art. 075321_1-5 (2003) - doi: 10.1103/PhysRevB.68.075321
- S.L. Liew, D.J. Norris, A.G. Cullis, R.W. Kelsall, P. Harrison, Z. Ikonic, D.J. Paul, S.A. Lynch, R. Bates, D.D. Arnone and D.J. Robbins, "Analysis of terhertz emitting SiGe quantum cascade structures by transmission electron microscopy" Institute of Physics Conference Series 180, pp155-158 (2003)
- A.C.K. Chang, D.J. Norris, A.G. Cullis and D.J. Paul, "Advanced TEM analysis of strain-balanced Si/SiGe resonant tunnelling diodes structures" Institute of Physics Conference Series 180, pp163-168 (2003)
- C.R. Pidgeon, P. Murzyn, J.-P.R. Wells, Z. Ikonic, R.W. Kelsall, P. Harrison, S.A. Lynch, D.J. Paul, D.D. Arnone and D.J. Robbins, "THz intersubband dynamics in p-Si/SiGe quantum well emitter structures" Physica Statui Solidi (b) 237, pp381-385 (2003)
- A. Lewalle, M. Pepper, C.J.B. Ford, D.J. Paul and G. Redmond, "Weak localisation and the 'destruction' of the two-dimensional metallic behaviour by a parallel magnetic field" Institute of Physics Conference Series 171, L1.5 (2003)
- D.J. Paul, S.A. Lynch, R. Bates, Z. Ikonic, R.W. Kelsall, P. Harrison, D.J. Norris, S.L. Liew, A.G. Cullis, C.R. Pidgeon, P. Murzyn, W. Tribe and D.D. Arnone "Si/SiGe quantum cascade emitters for terahertz applications" Proc. 3rd International Conference on SiGe(C) Epitaxy and Heterostructures (2003)
- S. Olsen, L. Driscoll, K. Kwa, S. Chattopadhyay, A. O'Neill, A. Waite, Y. Tang, A. Evans, D.J. Norris, A.G. Cullis, D.J. Paul and D.J. Robbins "High performance strained Si/SiGe nMOSFETs using a novel CMOS architecture" Proc. 3rd International Conference on SiGe(C) Epitaxy and Heterostructures (2003)
- S.A. Lynch, D.J. Paul, R. Bates, D.J. Norris, A.G. Cullis, Z. Ikonic, R.W. Kelsall, P. Harrison, D.D. Arnone and C.R. Pidgeon, "Far intrared (THz) electroluminescence from Si/SiGe quantum cascade heterostructures" Proc. SPIE
2002
- A. Lewalle, M. Pepper, C.J.B. Ford, E.H. Hwang, S. Das Sarma, D.J. Paul and G. Redmond, “The relative importance of electron-electron interactions compared to disorder in the two-dimensional 'metallic' state” Physical Review B 66, pp075324_1-5 (2002) - doi: 10.1103/PhysRevB.69.075316
- S.A. Lynch, R. Bates, D.J. Paul, D.J. Norris, A.G. Cullis, Z.Ikonic, R.W. Kelsall, P. Harrison, D.D. Arnone and C.R. Pidgeon, “Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies” Applied Physics Letters 81, pp1543-1545 (2002) - doi:10.1063/1.1501759
- C.R. Pidgeon, P. Murzyn, J-P.R. Wells, I.V. Bradley, Z. Ikonic, R.W. Kelsall, P. Harrison, S.A. Lynch, D.J. Paul, D.D. Arnone, D.J. Robbins, D.J. Norris and A.G. Cullis, “Picosecond intersubband dynamics in p-Si/SiGe quantum well emitters” Applied Physics Letters 80, pp 1456-1458 (2002) - doi:10.1063/1.1452794
- R.W. Kelsall, Z. Ikonic, P. Harrison, S.A. Lynch, R. Bates, D.J. Paul, D.J. Norris, S.L. Liew, A.G. Cullis, D.J. Robbins, P. Murzyn, C.R. Pidgeon and D.D. Arnone, "Terahertz intersubband emission from silicon-germanium quantum cascades" Proc. IEEE Tenth International Conference on Terahertz Electronics pp9-12 (2002)
- M. Pepper, A. Lewalle, A.R. Hamilton, M.Y. Simmons, C.J.B. Ford, D.J. Paul and D.A. Ritchie, "Localisation and Metal-Insulator Transitions in 2D" Proc. High Magnetic Field Conference, Oxford, August 2002
- D.J. Paul, S.A. Lynch, R. Bates, Z. Ikonic, R.W. Kelsall, P. Harrison, C.R. Pidgeon,P. Murzyn, J.-P.R. Wells, I.V. Bradley, D.J. Norris, S.L. Liew, A.G. Cullis,W. Tribe and D.D. Arnone "Si/SiGe quantum cascade emitters for terahertz applications" Proc. International Conference of the Physics of Semiconductors, July / August 2002
- D.J. Paul, S.A. Lynch, R. Bates, Z. Ikonic, R.W. Kelsall, P. Harrison, D.J. Norris, S.L. Liew, A.G. Cullis, P. Murzyn, C. Pidgeon, D.D. Arnone and D.J. Robbins "Electroluminescence from Si/SiGe quantum cascade emitters" Physica E 16, pp309-314 (2003)
- R. Bates, S.A. Lynch, D.J. Paul, D.J. Norris, A.G. Cullis, Z.Ikonic, R.W. Kelsall, P. Harrison, D.D. Arnone and C.R. Pidgeon, “Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies” CLEO Technical Digest 2002, pp629-630 (2002) (Paper CFB2)
- S.A. Lynch, D.J. Paul, R. Bates, P. Murzyn, C.R. Pidgeon, Z. Ikonic, R.W. Kelsall, P. Harrison, D.J. Norris, A.G. Cullis, and D.D. Arnone, “Intersubband and impurity electroluminescence in Si/SiGe heterostructures at terahertz frequencies” CLEO Technical Digest 2002, p629 (2002) (Paper CFB1)
- D.J. Paul, S.A. Lynch, R. Bates, Z.Ikonic, R.W. Kelsall, P. Harrison, D.J. Norris, S.L. Liew, A.G. Cullis, D.D. Arnone, C.R. Pidgeon, P. Murzyn, J.-P.R. Wells and I.V. Bradley, "Si/SiGe quantum cascade emitters for terahertz applications" Physica E 16, pp147-155 (2003)
- A. Lewalle, M. Pepper, C.J.B. Ford, D.J. Paul, N. Griffin, B.P. Coonan, G. Redmond and G.M. Crean, “Investigation of the zero field 2D 'metallic' state with rs and kFl controlled independently” Physica E 12, pp616-619 (2002)
- C.R. Pidgeon, P. Murzyn, J-P.R. Wells, I.V. Bradley, Z. Ikonic, R.W. Kelsall, P. Harrison, S.A. Lynch, D.J. Paul, D.D. Arnone, D.J. Robbins, D.J. Norris and A.G. Cullis, “THz intersubband dynamics in p-Si/SiGe quantum well structures” Physica E 13, pp904-907 (2002)
- S.A. Lynch, S.S. Dhillon, R. Bates, D.J. Paul, D.D. Arnone, D.J. Robbins, Z. Ikonic, R.W. Kelsall, P. Harrison, D.J. Norris, A.G. Cullis, C.R. Pidgeon, P. Murzyn and A.Loudon, “Si-based electroluminescence at THz frequencies” Material Science and Engineering B 89, pp 10-12 (2002)
- D.J. Paul, P. See, B. Holländer, S. Mantl, I.V. Zozoulenko, K.F- Berggren, N. Griffin, B.P. Coonan, G. Redmond and G.M. Crean, “n-type Si/SiGe resonant tunnelling diodes” Material Science and Engineering B 89, pp 26-29 (2002)
- D.J. Paul, A. Ahmed, A.C. Churchill, D.J. Robbins and W.Y. Leong, “Low dimensional inverted Si/SiGe modulation-doped electron gases using selective ex-situ ion implantation” Material Science and Engineering B 89, pp111-115 (2002)
2001
- R. Compano, L. Molenkamp and D.J. Paul, 10.1109/55.974584
- P. See, D.J. Paul, B. Holländer, S. Mantl, I.V. Zozoulenko and K.-F. Berggren, “High dc performance Si/Si1-xGex resonant tunelling diodes” IEEE Electron Device Letters 22(4), pp182-184 (2001) - doi:10.1109/55.915607
- D.J. Paul, P. See, I.V. Zozoulenko, K.-F. Berggren, B. Holländer, S. Mantl, N. Griffin, B.P. Coonan, G. Redmond and G.M. Crean “Si/SiGe resonant tunnelling diodes with graded spacer wells” Applied Physics Letters 78(26), pp4184-4186 (2001) - doi:10.1063/1.1381042
2000
- D.J. Paul, P. See, I.V. Zozoulenko, K.-F. Berggren, B. Kabius, B. Holländer and S. Mantl “Si/SiGe electron resonant tunnelling diodes” Applied Physics Letters 77(11), pp1653-1655 (2000) - doi:10.1063/1.1309020
- D.J. Paul “Silicon germanium makes its mark” Physics World 13(2), pp27-32 (2000)
- R.B. Dunford, N. Griffin, D.J. Paul, M. Pepper, D.J. Robbins, A.C. Churchill and W.Y. Leong “Schottky gating high mobility Si/Si1-xGex 2D electron systems” Thin Solid Films 369, pp316-139 (2000) - doi:10.1016/S0040-6090(00)00871-3
- A. Ahmed, R.B. Dunford, D.J. Paul, M. Pepper, A.C. Churchill, D.J. Robbins and W.Y. Leong “Si/SiGe n-type inverted modulation-doping using ion implantation” Thin Solid Films 369, pp324-327 (2000) - doi:10.1016/S0040-6090(00)00873-7
- R.B. Dunford, D.J. Paul, M. Pepper, B.P. Coonan, N. Griffin, G. Redmond, G.M. Crean, B. Holländer and S. Mantl,”Si/Si1-xGex heterostructure field effect transistors fabricated using a low thermal budget CMOS process” Microelectronic Engineering 53(1-4), pp209-212 (2000)
- R.B. Dunford, A. Ahmed, D.J. Paul, M. Pepper, A.C. Churchill, D.J. Robbins and A.J. Pidduck “Inverted modulation-doped n-type Si/SiGe heterostructures” Microelectronic Engineering 53(1-4) pp205-208 (2000)
- R.B. Dunford, N. Griffin, D.J. Paul, M. Pepper, D.J. Robbins, A.C. Churchill and W.Y. Leong “Schottky gating high mobility Si/Si1-xGex 2D electron systems” Thin Solid Films 369, pp316-139 (2000)
- A. Ahmed, R.B. Dunford, D.J. Paul, M. Pepper, A.C. Churchill, D.J. Robbins and W.Y. Leong “Si/SiGe n-type inverted modulation-doping using ion implantation” Thin Solid Films 369, pp324-327 (2000)
- B.P. Coonan, N. Griffin, J.T. Beechinoor, M. Murtagh, G. Redmond, G.M. Crean, B. Holländer, S. Mantl, S. Bozzo, J.-L. Lazzari, F. Arnaud d.Avitaya, J. Derrien and D.J. Paul “Investigations of Si/SiGe heterostructure material using non-destructive optical techniques” Thin Solid Films 364, pp75-79 (2000)
1999
- D.J. Paul, “Silicon germanium strianed layer materials in microelectronics” Advanced Materials 11(3), pp191-204 (1999) - doi:10.1002/(SICI)1521-4095(199903)11:3<191::AID-ADMA191>3.0.CO;2-3
- D.J. Paul, B. Coonan, G. Redmond, G.M. Crean, B. Holländer, S. Mantl, I. Zozoulenko, K.-F. Berggren, J.-L. Lazzari, F. Arnaud d’Avitaya and J. Derrien, “Silicon quantum integrated circuits” Proceedings of The Future of Microelectronics: Off the Beaten Path, pp183-192 Wiley (1999)
- D.J. Paul, B. Coonan, G. Redmond, B.J. O’Neill, G.M. Crean, B. Holländer, S. Mantl, I. Zozoulenko, K.-F. Berggren, J.-L. Lazzari, F. Arnaud d’Avitaya and J. Derrien, “Silicon quantum integrated circuits:- An attempt to fabricate silicon-based quantum devices using CMOS fabrication techniques” Thin Solid Films 336, pp130-136 (1999)
1998
- A.C. Churchill, D.J. Robbins, D.J. Wallis, N. Griffin, D.J. Paul, A.J. Pidduck, W.Y. Leong and G.M. Williams “2D electron gas mobility as a function of virtual substrate quality in strained Si/SiGe heterojunctions” Journal of Vacuum Science and Technology B 16, pp1634-1638 (1998) - doi:10.1116/1.589952
- N. Griffin, D. D. Arnone, D. J. Paul, M. Pepper, D. J. Robbins, A. C. Churchill and J. M. Fernández “Cyclotron resonance measurements of silicon/silicon-germanium two-dimensional electron gases with differing strain” Journal of Vacuum Science and Technology B 16(3), pp1655-1658 (1998) - doi:10.1116/1.589955
- D.J. Paul, A. Ahmed, M. Pepper, A.C. Churchill, D.J. Robbins and D J Wallis “Electrical properties and uniformity of two dimensional electron gases grown on cleaned SiGe virtual substrates” Journal of Vacuum Science and Technology B 16(3), pp1644-1647 (1998) - doi:10.1116/1.589953
- N. Griffin, D.D. Arnone, D.J. Paul, M. Pepper, D.J. Robbins and A.C. Churchill “Far-infrared cyclotron resonance study of the effect of strain and localisation in Si/SiGe 2DEGs” Solid State Electronics 42(7-8), pp1159-1163 (1998) - doi:10.1016/S0038-1101(97)00321-3
- D.J. Paul “Silicon germanium heterostructures in electronics:- The present and the future” Thin Solid Films 321, pp172-180 (1998) - doi:10.1016/S0040-6090(98)00469-6
- D.J. Paul, A. Ahmed, N. Griffin, M. Pepper, A.C. Churchill, D.J. Robbins and D J Wallis “Electrical properties of two dimensional electron gases grown on cleaned SiGe virtual substrates” Thin Solid Films 321, pp181-185 (1998) - doi:10.1016/S0040-6090(98)00470-2
- C. E. Norman, N. Griffin, D. D. Arnone, D. J. Paul, M. Pepper, B. Gallas and J. M. Fernández “EBIC of strained Si/SiGe 2DEGs showing lateral electron confinement” Solid State Phenomena 63, pp25-32 (1998)
- N. Griffin, D.D. Arnone, D.J. Paul, C.E. Norman, B. Gallas, J.M. Fernández, and M. Pepper “Dislocation-induced lateral depletion in a high mobility Si/SiGe two dimensional electron gas” Proc. ICPS (1998)
- N. Griffin, D.D. Arnone, D.J. Paul, M. Pepper, D.J. Robbins and A.C. Churchill “Far-infrared cyclotron resonance study of the effect of strain and localisation in Si/SiGe 2DEGs” Solid State Electronics 42(7-8), pp1159-1163 (1998)
1997
- A.C. Churchill, D.J. Robbins, D.J. Wallis, N. Griffin, D.J. Paul and A.J. Pidduck “High mobility two dimensional electron gases in Si/SiGe heterostructures on relaxed SiGe layers grown at high temperature” Semiconductor Science and Technology 12, pp943-945 (1997) - doi: 10.1088/0268-1242/12/8/002
- D.J. Paul, J.M. Ryan, P.V. Kelly, G.M. Crean, J. M. Fernández, M. Pepper, A.N. Broers and B.A. Joyce “Investigation of electron-beam and optical induced damage in high mobility SiGe heterostructures” Solid State Electronics 41(10), pp1509-1513 (1997) - doi:10.1016/S0038-1101(97)00097-X
- N. Griffin, D.J. Paul, M. Pepper, S. Taylor, W. Eccleston, J.M. Fernández and B.A. Joyce “Gating high mobility silicon germanium heterostructures” Journal of Microelectronic Engineering 35, pp309-312 (1997)
- D.J. Paul, J.M. Ryan, M. Pepper, A.N. Broers, T.E. Whall, J.M. Fernández and B.A. Joyce “Electron beam induced damage of silicon germanium” Journal of Microelectronic Engineering 35, pp59-62 (1997)
- D.J. Paul, J.M. Ryan, P.V. Kelly, G.M. Crean, J. M. Fernández, M. Pepper, A.N. Broers and B.A. Joyce “Investigation of electron-beam and optical induced damage in high mobility SiGe heterostructures” Solid State Electronics 41(10), pp1509-1513 (1997)
- J.M. Ryan, D.J. Paul, M. Pepper, A.N. Broers, T.E. Whall, J.M. Fernández and B.A. Joyce “Fabrication of SiGe quantum devices by electron-beam induced damage” Superlattices and Microstructures 21(1), pp29-36 (1997)
1996
- D.J. Paul, J.M. Ryan, M. Pepper, A.N. Broers, T.E. Whall, J.M. Fernández and B.A. Joyce “Electron beam induced damage of silicon germanium” Journal of Vacuum Science and Technology B 14(6), pp3834-3838 (1996) - doi:10.1116/1.588677
- D.J. Paul, N. Griffin, D.D. Arnone, M. Pepper, C.J. Emeleus, P.J. Phillips and T.E. Whall “Low temperature characterisation of modulation doped SiGe grown on bonded silicon-on insulator” Applied Physics Letters 69(18), pp2704-2706 (1996) - doi:10.1063/1.117684
1995
- D.J. Paul, V.J. Law and G.A.C. Jones “Si1-xGex pulsed plasma etching using CHF3 and H2” Journal of Vacuum Science and Technology B 13(6), pp2234-2237, (1995) - doi:10.1116/1.588055
1994
- D.J. Paul, J.R.A. Cleaver, H. Ahmed and T.E. Whall “Co-tunnelling of holes in silicon based structures” Physical Review B 49(2), pp16514-16517 (1994) - doi: 10.1103/PhysRevB.49.16514
1993
- D.J. Paul, J.R.A. Cleaver, H. Ahmed and T.E. Whall “Coulomb blockade in silicon based structures at temperatures up to 50K” Applied Physics Letters 63(5), pp631-632 (1993) - doi:10.1063/1.109972
- D. Williams, E. Pettersen, D.J. Paul and H. Ahmed “High resolution scanning electron microscopy in mesoscopic physics” Institute of Physics Conference Series Number 134: Section 5, pp249-252 (1993)
- D.J. Paul, J.R.A. Cleaver and H. Ahmed “Fabrication of wires in silicon germanium material” Microelectronics Engineering 21, pp349-352 (1993)