Prof. Douglas J. Paul :: University of Glasgow

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 110, 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
D. Chrastina, S. Cecchi, J. P. Hague, J. Frigerio, A. Samarelli, L. Ferre–Llin, D. J. Paul, E. Müller Gubler, T. Etzelstorfer, J. Stangl, G. Isella"Ge/SiGe Superlattices for Nanostructured Thermoelectric Modules" Thin Solid Films (Accepted for publication)
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 31^st International and 10^th European Conference on Thermoelectrics (Submitted 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 31^st International and 10^th European Conference on Thermoelectrics (Submitted 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 31^st International and 10^th European Conference on Thermoelectrics (Submitted for publication 2012)
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 (Accepted for publication 2012) - doi 10.1007/s10853-012-6825-0

D.J. Paul, "Thermoelectric Energy Harvesting" 2^nd 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)
D.J. Paul "Quantum Cascade Lasers" to be published in "Physics and Applications of Terahertz Radiation" Edited by M. Perenzoni and D.J. Paul, Springer Series in Optical Sciences (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/Si_1-xGe_x 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/Si_1-xGe_x 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 “Si_1-xGe_x 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)

Semiconductor Device Group

Prof Douglas J. Paul > Publications