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Prof. Michael B. Johnston
[THz Photonics Group Leader]


Professor of Physics
Clarendon Laboratory Room 161B
Email: M.Johnston@physics.ox.ac.uk
Web: www-thz.physics.ox.ac.uk
Michael Johnston is also a fellow of Corpus Christi College, Oxford.

Biography of Prof M B Johnston

BSc (Hons) (1996) University of New South Wales, Australia
PhD in Physics (2000) Topic: "Quantum Well Infrared Photodetectors", University of New South Wales, Australia

2014-present: Professor of Physics, Department of Physics, University of Oxford, UK
2008-2014: Reader in Physics, Department of Physics, University of Oxford, UK
2002-present: Tutorial Fellow in Physics, Corpus Christi College, Oxford UK
2002-2008: University Lecturer, Department of Physics, University of Oxford, UK
1999-2002: Postdoctoral Research Associate, Cavendish Laboratory, University of Cambridge, UK

Publications

Also see Google Scholar Profile and ResearcherID (external links)

  1. The 2017 terahertz science and technology roadmap,
    SS Dhillon, MS Vitiello, EH Linfield, AG Davies, MC Hoffmann, MB Johnston
    J. Phys. D-Appl. Phys., 50:043001 (2017) [ abstract | pdf | doi:10.1088/1361-6463/50/4/043001 ]
  2. Influence of Interface Morphology on Hysteresis in Vapor-Deposited Perovskite Solar Cells,
    JB Patel, J Wong-Leung, S Van Reenen, N Sakai, JTW Wang, ES Parrott, M Liu, HJ Snaith, LM Herz, MB Johnston
    , 3:1600470 (2017) [ abstract | pdf | doi:10.1002/aelm.201600470 ]
  3. A review of the electrical properties of semiconductor nanowires: insights gained from terahertz conductivity spectroscopy,
    HJ Joyce, JL Boland, CL Davies, SA Baig, MB Johnston
    Semicond. Sci. Technol., 31:103003 (2016) [ abstract | pdf | doi:10.1088/0268-1242/31/10/103003 ]
  4. Radiative monomolecular recombination boosts amplified spontaneous emission in hc(nh2)(2)sni3 perovskite films,
    RL Milot, GE Eperon, T Green, HJ Snaith, MB Johnston, LM Herz
    J. Phys. Chem. Lett., 7:4178-4184 (2016) [ abstract | pdf | doi:10.1021/acs.jpclett.6b02030 ]
  5. Broadband phase-sensitive single {InP} nanowire photoconductive terahertz detectors,
    K Peng, P Parkinson, JL Boland, Q Gao, YC Wenas, CL Davies, ZY Li, L Fu, MB Johnston, HH Tan, C Jagadish
    Nano Lett., 16:4925-4931 (2016) [ abstract | pdf | doi:10.1021/acs.nanolett.6b01528 ]
  6. Electron-phonon coupling in hybrid lead halide perovskites,
    AD Wright, C Verdi, RL Milot, GE Eperon, MA Pérez-Osorio, HJ Snaith, F Giustino, MB Johnston, LM Herz
    Nat. Commun., 7:11755 (2016) [ abstract | pdf | doi:10.1038/ncomms11755 ]
  7. Bandgap-tunable cesium lead halide perovskites with high thermal stability for efficient solar cells,
    RJ Sutton, GE Eperon, L Miranda, ES Parrott, BA Kamino, JB Patel, MT Horantner, MB Johnston, AA Haghighirad, DT Moore, HJ Snaith
    Adv. Energy Mater., 6:1502458 (2016) [ abstract | pdf | doi:10.1002/aenm.201502458 ]
  8. Effect of structural phase transition on charge-carrier lifetimes and defects in ch3nh3sni3 perovskite,
    ES Parrott, RL Milot, T Stergiopoulos, HJ Snaith, MB Johnston, LM Herz
    J. Phys. Chem. Lett., 7:1321-1326 (2016) [ abstract | pdf | doi:10.1021/acs.jpclett.6b00322 ]
  9. Increased Photoconductivity Lifetime in GaAs Nanowires by Controlled n-Type and p-Type Doping,
    JL Boland, A Casadei, G Tutuncuoglu, F Matteini, CL Davies, F Jabeen, HJ Joyce, LM Herz, A Fontcuberta i Morral, MB Johnston
    ACS Nano, 10:4219-4227 (2016) [ abstract | pdf | doi:10.1021/acsnano.5b07579 ]
  10. Structured organic-inorganic perovskite toward a distributed feedback laser,
    M Saliba, SM Wood, JB Patel, PK Nayak, J Huang, JA Alexander-webber, B Wenger, SD Stranks, MT Horantner, JTW Wang, RJ Nicholas, LM Herz, MB Johnston, SM Morris, HJ Snaith, MK Riede
    Adv. Mater., 28:923-929 (2016) [ abstract | pdf | doi:10.1002/adma.201502608 ]
  11. Hybrid Perovskites for Photovoltaics: Charge-Carrier Recombination, Diffusion, and Radiative Efficiencies,
    MB Johnston, LM Herz
    Accounts Chem. Res., 49:146--154 (2016) [ abstract | pdf | doi:10.1021/acs.accounts.5b00411 ]
  12. Formation Dynamics of CH$_3$NH$_3$PbI$_3$ Perovskite Following Two-Step Layer Deposition,
    JB Patel, RL Milot, AD Wright, LM Herz, MB Johnston
    J. Phys. Chem. Lett., 7:96-102 (2016) [ abstract | pdf | doi:10.1021/acs.jpclett.5b02495 ]
  13. A mixed-cation lead mixed-halide perovskite absorber for tandem solar cells,
    DP McMeekin, G Sadoughi, W Rehman, GE Eperon, M Saliba, MT Hörantner, A Haghighirad, N Sakai, L Korte, B Rech, MB Johnston, LM Herz, HJ Snaith
    Science, 351:151-155 (2016) [ abstract | pdf | doi:10.1126/science.aad5845 ]
  14. Efficient perovskite solar cells by metal ion doping,
    JTW Wang, ZP Wang, S Pathak, W Zhang, DW Dequilettes, F Wisnivesky-rocca-rivarola, J Huang, PK Nayak, JB Patel, HAM Yusof, Y Vaynzof, R Zhu, I Ramirez, J Zhang, C Ducati, C Grovenor, MB Johnston, DS Ginger, RJ Nicholas, HJ Snaith
    Energy Environ. Sci., 9:2892-2901 (2016) [ abstract | pdf | doi:10.1039/c6ee01969b ]
  15. Enhanced uv-light stability of planar heterojunction perovskite solar cells with caesium bromide interface modification,
    WZ Li, W Zhang, RJ Sutton, JD Fan, AA Haghighirad, MB Johnston, LD Wang, HJ Snaith
    Energy Environ. Sci., 9:490-498 (2016) [ abstract | pdf | doi:10.1039/c5ee03522h ]
  16. Low Ensemble Disorder in Quantum Well Tube Nanowires,
    CL Davies, P Parkinson, N Jiang, JL Boland, S Conesa-Boj, HH Tan, C Jagadish, LM Herz, MB Johnston
    Nanoscale, 7:20531--20538 (2015) [ abstract | pdf | doi:10.1039/C5NR06996C ]
  17. Charge-Carrier Dynamics and Mobilities in Formamidinium Lead Mixed-Halide Perovskites,
    W Rehman, RL Milot, GE Eperon, C Wehrenfennig, JL Boland, HJ Snaith, MB Johnston, LM Herz
    Adv. Mater., 27:7938--7944 (2015) [ abstract | pdf | doi:10.1002/adma.201502969 ]
  18. Colour-selective photodiodes,
    MB Johnston
    Nat. Photonics, 9:633-636 (2015) [ abstract | pdf | doi:10.1038/nphoton.2015.180 ]
  19. Temperature-dependent charge-carrier dynamics in {CH$_3$NH$_3$PbI$_3$} perovskite thin films,
    RL Milot, GE Eperon, HJ Snaith, MB Johnston, LM Herz
    Adv. Funct. Mater., 25:6218-6227 (2015) [ abstract | pdf | doi:10.1002/adfm.201502340 ]
  20. ,
    MA Perez-Osorio, RL Milot, MR Filip, JB Patel, LM Herz, MB Johnston, F Giustino
    J. Phys. Chem. C, 119:25703--25718 (2015) [ abstract | pdf | doi:10.1021/acs.jpcc.5b07432 ]
  21. Plasmonic-induced photon recycling in metal halide perovskite solar cells,
    M Saliba, W Zhang, VM Burlakov, SD Stranks, Y Sun, JM Ball, MB Johnston, A Goriely, U Wiesner, HJ Snaith
    Adv. Funct. Mater., 25:5038-5046 (2015) [ abstract | pdf | doi:10.1002/adfm.201500669 ]
  22. Enhanced amplified spontaneous emission in perovskites using a flexible cholesteric liquid crystal reflector,
    SD Stranks, SM Wood, K Wojciechowski, F Deschler, M Saliba, H Khandelwal, JB Patel, SJ Elston, LM Herz, MB Johnston, APHJ Schenning, MG Debije, MK Riede, SM Morris, HJ Snaith
    Nano Lett., 15:4935–4941 (2015) [ abstract | pdf | doi:10.1021/acs.nanolett.5b00678 ]
  23. {In$_x$Ga$_{1-x}$As} nanowires with uniform composition, pure wurtzite crystal phase and taper-free morphology,
    AS Ameruddin, HA Fonseka, P Caroff, J Wong-leung, RLMOH Veld, JL Boland, MB Johnston, HH Tan, C Jagadish
    Nanotechnology, 26:205604 (2015) [ abstract | pdf | doi:10.1088/0957-4484/26/20/205604 ]
  24. Charge selective contacts, mobile ions and anomalous hysteresis in organic-inorganic perovskite solar cells,
    Y Zhang, MZ Liu, GE Eperon, TC Leijtens, D McMeekin, M Saliba, W Zhang, A Petrozza, LM Herz, MB Johnston, H Lin, HJ Snaith
    Mater. Horizons, 2:315-322 (2015) [ abstract | pdf | doi:10.1039/c4mh00238e ]
  25. Fast charge-carrier trapping in {TiO$_2$} nanotubes,
    C Wehrenfennig, CM Palumbiny, HJ Snaith, MB Johnston, L Schmidt-mende, LM Herz
    J. Phys. Chem. C, 119:9159-9168 (2015) [ abstract | pdf | doi:10.1021/acs.jpcc.5b01827 ]
  26. Highly efficient perovskite solar cells with tunable structural color,
    W Zhang, M Anaya, G Lozano, ME Calvo, MB Johnston, H Miguez, HJ Snaith
    Nano Lett., 15:1698-1702 (2015) [ abstract | pdf | doi:10.1021/nl504349z ]
  27. Single Nanowire Photoconductive Terahertz Detectors,
    K Peng, P Parkinson, L Fu, Q Gao, N Jiang, Y Guo, F Wang, HJ Joyce, JL Boland, HH Tan, C Jagadish, MB Johnston
    Nano Lett., 15:206-210 (2015) [ abstract | pdf | doi:10.1021/nl5033843 ]
  28. Optical description of mesostructured organic-inorganic halide perovskite solar cells,
    M Anaya, G Lozano, ME Calvo, W Zhang, MB Johnston, HJ Snaith, H Miguez
    J. Phys. Chem. Lett., 6:48-53 (2015) [ abstract | pdf | doi:10.1021/jz502351s ]
  29. Efficient, semitransparent neutral-colored solar cells based on microstructured formamidinium lead trihalide perovskite,
    GE Eperon, D Bryant, J Troughton, SD Stranks, MB Johnston, T Watson, DA Worsley, HJ Snaith
    J. Phys. Chem. Lett., 6:129-138 (2015) [ abstract | pdf | doi:10.1021/jz502367k ]
  30. Modulation Doping of GaAs/AlGaAs Core--Shell Nanowires With Effective Defect Passivation and High Electron Mobility,
    JL Boland, S Conesa-Boj, P Parkinson, G Tutuncuoglu, F Matteini, D Ruffer, A Casadei, F Amaduzzi, F Jabeen, CL Davies, HJ Joyce, LM Herz, A Fontcuberta i Morral, MB Johnston
    Nano Lett., 15:1336-1342 (2015) [ abstract | pdf | doi:10.1021/nl504566t ]
  31. Optical properties and limiting photocurrent of thin-film perovskite solar cells,
    JM Ball, SD Stranks, MT Horantner, S Huttner, W Zhang, EJW Crossland, I Ramirez, M Riede, MB Johnston, RH Friend, HJ Snaith
    Energy Environ. Sci., 8:602-609 (2015) [ abstract | pdf | doi:10.1039/C4EE03224A ]
  32. Ultrafast Transient Terahertz Conductivity of Monolayer {MoS$_2$} and {WSe$_2$} Grown by Chemical Vapor Deposition,
    CJ Docherty, P Parkinson, HJ Joyce, M Chiu, C Chen, M Lee, L Li, LM Herz, MB Johnston
    ACS Nano, 8:11147-11153 (2014) [ abstract | pdf | doi:10.1021/nn5034746 ]
  33. Solution deposition-conversion for planar heterojunction mixed halide perovskite solar cells,
    P Docampo, FC Hanusch, SD Stranks, M Doblinger, JM Feckl, M Ehrensperger, NK Minar, MB Johnston, HJ Snaith, T Bein
    Adv. Energy Mater., 4:1400355 (2014) [ abstract | pdf | doi:10.1002/aenm.201400355 ]
  34. Electron Mobilities Approaching Bulk Limits in ``Surface-Free'' {GaAs} Nanowires,
    HJ Joyce, P Parkinson, N Jiang, CJ Docherty, Q Gao, HH Tan, C Jagadish, LM Herz, MB Johnston
    Nano Lett., 14:5989-5994 (2014) [ abstract | pdf | doi:10.1021/nl503043p ]
  35. Charge carrier recombination channels in the low-temperature phase of organic-inorganic lead halide perovskite thin films,
    C Wehrenfennig, M. Liu, HJ Snaith, MB Johnston, LM Herz
    APL Mater., 2:081513 (2014) [ abstract | pdf | doi:10.1063/1.4891595 ]
  36. Charge-carrier dynamics in vapour-deposited films of the organolead halide perovskite {CH$_3$NH$_3$PbI$_{3-x}$Cl$_x$},
    C Wehrenfennig, M. Liu, HJ Snaith, MB Johnston, LM Herz
    Energy Environ. Sci., 7:2269--2275 (2014) [ abstract | pdf | doi:10.1039/C4EE01358A ]
  37. An ultrafast carbon nanotube terahertz polarisation modulator,
    CJ Docherty, SD Stranks, SN Habisreutinger, HJ Joyce, LM Herz, RJ Nicholas, MB Johnston
    J. Appl. Phys., 115:203108 (2014) [ abstract | pdf | doi:10.1063/1.4879895 ]
  38. ,
    C Wehrenfennig, M. Liu, HJ Snaith, MB Johnston, LM Herz
    J. Phys. Chem. Lett., 5:1300-1306 (2014) [ abstract | pdf | doi:10.1021/jz500434p ]
  39. High Charge Carrier Mobilities and Lifetimes in Organolead Trihalide Perovskites,
    C Wehrenfennig, GE Eperon, MB Johnston, HJ Snaith, LM Herz
    Adv. Mater., 26:1584-1589 (2014) [ abstract | pdf | doi:10.1002/adma.201305172 ]
  40. Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells,
    GE Eperon, SD Stranks, C Menelaou, MB Johnston, LM Herz, HJ Snaith
    Energy Environ. Sci., 7:982-988 (2014) [ abstract | pdf | doi:10.1039/C3EE43822H ]
  41. Dependence of Dye Regeneration and Charge Collection on the Pore-Filling Fraction in Solid-State Dye-Sensitized Solar Cells,
    CT Weisspfennig, DJ Hollman, C Menelaou, SD Stranks, HJ Joyce, MB Johnston, HJ Snaith, LM Herz
    Adv. Funct. Mater., 24:668--677 (2014) [ abstract | pdf | doi:10.1002/adfm.201301328 ]
  42. Single GaAs/AlGaAs Nanowire Photoconductive Terahertz Detectors ,
    K Peng, P Parkinson, L Fu, Q Gao, N Jiang, Y Guo, F Wang, HJ Joyce, JL Boland, MB Johnston, HH Tan, C Jagadish
    , 2014:221-222 (2014) [ abstract | pdf | doi:10.1109/COMMAD.2014.7038695 ]
  43. ,
    CK Yong, J Wong-Leung, HJ Joyce, J Lloyd-Hughes, Q Gao, HH Tan, C Jagadish, MB Johnston, LM Herz
    Nano Lett., 13:4280–4287 (2013) [ abstract | pdf | doi:10.1021/nl402050q ]
  44. Efficient planar heterojunction perovskite solar cells by vapour deposition,
    M. Liu, MB Johnston, HJ Snaith
    Nature, 501:395--398 (2013) [ abstract | pdf | doi:10.1038/nature12509 ]
  45. Electronic properties of {GaAs}, {InAs} and {InP} nanowires studied by terahertz spectroscopy,
    HJ Joyce, CJ Docherty, Q Gao, HH Tan, C Jagadish, J Lloyd-Hughes, LM Herz, MB Johnston
    Nanotechnology, 24:214006 (2013) [ abstract | pdf | doi:10.1088/0957-4484/24/21/214006 ]
  46. Optimizing the Energy Offset between Dye and Hole-Transporting Material in Solid-State Dye-Sensitized Solar Cells,
    CT Weisspfennig, MM Lee, J Teuscher, P Docampo, SD Stranks, HJ Joyce, H Bergmann, I Bruder, DV Kondratuk, MB Johnston, HJ Snaith, LM Herz
    J. Phys. Chem. C, 117:19850-19858 (2013) [ abstract | pdf | doi:10.1021/jp405734f ]
  47. Strong Carrier Lifetime Enhancement in {GaAs} Nanowires Coated with Semiconducting Polymer,
    CK Yong, K Noori, Q Gao, HJ Joyce, HH Tan, C Jagadish, F Giustino, MB Johnston, LM Herz
    Nano Lett., 12:6293-6301 (2012) [ abstract | pdf | doi:10.1021/nl3034027 ]
  48. Extreme sensitivity of graphene photoconductivity to environmental gases,
    CJ Docherty, C Lin, HJ Joyce, RJ Nicholas, LM Herz, L Li, MB Johnston
    Nat. Commun., 3:1228 (2012) [ abstract | pdf | doi:10.1038/ncomms2235 ]
  49. Ultra-low Surface Recombination Velocity in InP Nanowires Probed by Terahertz Spectroscopy,
    HJ Joyce, J Wong-Leung, C Yong, CJ Docherty, S Paiman, Q Gao, HH Tan, C Jagadish, J Lloyd-Hughes, LM Herz, MB Johnston
    Nano Lett., 12:5325-5330 (2012) [ abstract | pdf | doi:10.1021/nl3026828 ]
  50. Noncontact Measurement of Charge Carrier Lifetime and Mobility in {GaN} Nanowires,
    P Parkinson, C Dodson, HJ Joyce, KA Bertness, NA Sanford, LM Herz, MB Johnston
    Nano Lett., 12:4600--4604 (2012) [ abstract | pdf | doi:10.1021/nl301898m ]
  51. Simulation of fluence-dependent photocurrent in terahertz photoconductive receivers,
    E Castro-Camus, MB Johnston, J Lloyd-Hughes
    Semicond. Sci. Technol., 27:115011 (2012) [ abstract | pdf | doi:10.1088/0268-1242/27/11/115011 ]
  52. ,
    SD Stranks, C Yong, JA Alexander-Webber, C Weisspfennig, MB Johnston, LM Herz, RJ Nicholas
    ACS Nano, 6:6058--6066 (2012) [ abstract | pdf | doi:10.1021/nn301133v ]
  53. Terahertz properties of graphene,
    CJ Docherty, MB Johnston
    J Infrared Milli Terahz Waves, 33:797 (2012) [ abstract | pdf | doi:10.1007/s10762-012-9913-y ]
  54. Ultrafast Dynamics of Exciton Formation in Semiconductor Nanowires,
    CK Yong, HJ Joyce, J Lloyd-Hughes, Q Gao, HH Tan, C Jagadish, MB Johnston, LM Herz
    Small, 8:1725--1731 (2012) [ abstract | pdf | doi:10.1002/smll.201200156 ]
  55. ,
    MB Johnston
    J Infrared Milli Terahz Waves, 33:391-392 (2012) [ abstract | pdf | doi:10.1007/s10762-012-9887-9 ]
  56. The Origin of an Efficiency Improving Light Soaking Effect in SnO$_2$ Based Solid-State Dye-Sensitized Solar Cells,
    P Tiwana, P Docampo, MB Johnston, LM Herz, HJ Snaith
    Energy Environ. Sci., 5:9566-9573 (2012) [ abstract | pdf | doi:10.1039/c2ee22320a ]
  57. Electron Mobility and Injection Dynamics in Mesoporous {ZnO, SnO$_2$, and TiO$_2$} Films Used in Dye-Sensitized Solar Cells,
    P Tiwana, P Docampo, MB Johnston, HJ Snaith, LM Herz
    ACS Nano, 5:5158-5166 (2011) [ abstract | pdf | doi:10.1021/nn201243y ]
  58. {III}--{V} semiconductor nanowires for optoelectronic device applications ,
    HJ Joyce, Q Gao, HH Tan, C Jagadish, Y Kim, J Zou, LM Smith, HE Jackson, JM Yarrison-Rice, P Parkinson, MB Johnston
    Prog. Quantum Electron., 35:23-75 (2011) [ abstract | pdf | doi:10.1016/j.pquantelec.2011.03.002 ]
  59. All-optical full-color displays using polymer nanofibers ,
    HQ Yu, DW Liao, MB Johnston, BJ Li
    ACS Nano, 5:2020-2025 (2011) [ abstract | pdf | doi:10.1021/nn1034185 ]
  60. Ultrafast Charge Separation at a Polymer-Single-Walled Carbon Nanotube Molecular Junction,
    SD Stranks, C Weisspfennig, P Parkinson, MB Johnston, LM Herz, RJ Nicholas
    Nano Lett., 11:66-72 (2011) [ abstract | pdf | doi:10.1021/nl1036484 ]
  61. Improved performance of {GaAs}-based terahertz emitters via surface passivation and silicon nitride encapsulation,
    C Headley, L Fu, P Parkinson, XL Xu, J Lloyd-Hughes, C Jagadish, MB Johnston
    IEEE J. Sel. Top. Quantum Electron., 17:17-21 (2011) [ abstract | pdf | doi:10.1109/JSTQE.2010.2047006 ]
  62. Role of Ultrafast Torsional Relaxation in the Emission from Polythiophene Aggregates,
    P Parkinson, C Muller, N Stingelin, MB Johnston, LM Herz
    J. Phys. Chem. Lett., 1:2788-2792 (2010) [ abstract | pdf | doi:10.1021/jz101026g ]
  63. Dynamic terahertz polarization in single-walled carbon nanotubes,
    XL Xu, P Parkinson, K-C Chuang, MB Johnston, RJ Nicholas, LM Herz
    Phys. Rev. B, 82:085441 (2010) [ abstract | pdf | doi:10.1103/PhysRevB.82.085441 ]
  64. Terahertz emission from lateral photo-{Dember} currents,
    G Klatt, F Hilser, W Qiao, M Beck, R Gebs, A Bartels, K Huska, U Lemmer, G Bastian, MB Johnston, M Fischer, J Faist, T Dekorsy
    Opt. Express, 18:4939-4947 (2010) [ abstract | pdf | doi:10.1364/OE.18.004939 ]
  65. Ultrafast Terahertz Conductivity Dynamics in Mesoporous {TiO}$_2$: {Influence} of Dye Sensitization and Surface Treatment in Solid-State Dye-Sensitized Solar Cells,
    P Tiwana, P Parkinson, MB Johnston, HJ Snaith, LM Herz
    J. Phys. Chem. C, 114:1365-1371 (2010) [ abstract | pdf | doi:10.1021/jp908760r ]
  66. Extraction of the anisotropic dielectric properties of materials from polarization-resolved terahertz time-domain spectra,
    E Castro-Camus, MB Johnston
    J. Opt. A-Pure Appl. Opt., 11:105206 (2009) [ abstract | pdf | doi:10.1088/1464-4258/11/10/105206 ]
  67. Carrier lifetime and mobility enhancement in nearly defect-free core--shell nanowires measured using time-resolved terahertz spectroscopy,
    P Parkinson, HJ Joyce, Q Gao, HH Tan, X Zhang, J Zou, C Jagadish, LM Herz, MB Johnston
    Nano Lett., 9:3349-3353 (2009) [ abstract | pdf | doi:10.1021/nl9016336 ]
  68. Terahertz Excitonic Response of Isolated Single-Walled Carbon Nanotubes,
    X Xu, K Chuang, RJ Nicholas, MB Johnston, LM Herz
    J. Phys. Chem. C, 113:18106--18109 (2009) [ abstract | pdf | doi:10.1021/jp907195t ]
  69. Photoconductive response correction for detectors of terahertz radiation,
    E Castro-Camus, L Fu, J Lloyd-Hughes, HH Tan, C Jagadish, MB Johnston
    J. Appl. Phys., 104:053113 (2008) [ abstract | pdf | doi:10.1063/1.2969035 ]
  70. Efficient generation of charges via below-gap photoexcitation of polymer-fullerene blend films investigated by terahertz spectroscopy,
    P Parkinson, J Lloyd-Hughes, MB Johnston, LM Herz
    Phys. Rev. B, 78:115321 (2008) [ abstract | pdf | doi:10.1103/PhysRevB.78.115321 ]
  71. Conductivity of nanoporous {InP} membranes investigated using terahertz spectroscopy,
    SKE Merchant, J Lloyd-Hughes, L Sirbu, IM Tiginyanu, P Parkinson, LM Herz, MB Johnston
    Nanotechnology, 19:395704 (2008) [ abstract | pdf | doi:10.1088/0957-4484/19/39/395704 ]
  72. Terahertz photoconductivity of mobile electrons in nanoporous {InP} honeycombs,
    J Lloyd-Hughes, SKE Merchant, L Sirbu, IM Tiginyanu, MB Johnston
    Phys. Rev. B, 78:085320 (2008) [ abstract | pdf | doi:10.1103/PhysRevB.78.085320 ]
  73. Low-energy collective dynamics of charge stripes in the doped nickelate {La}$_{2-x}${Sr}$_{x}${NiO}$_{4+\delta}$ observed with optical conductivity measurements,
    J Lloyd-Hughes, D Prabhakaran, AT Boothroyd, MB Johnston
    Phys. Rev. B, 77:195114 (2008) [ abstract | pdf | doi:10.1103/PhysRevB.77.195114 ]
  74. Conformational changes of photoactive yellow protein monitored by terahertz spectroscopy,
    E Castro-Camus, MB Johnston
    Chem. Phys. Lett., 455:289-292 (2008) [ abstract | pdf | doi:10.1016/j.cplett.2008.02.084 ]
  75. Exciton dissociation in polymer field-effect transistors studied using terahertz spectroscopy,
    J Lloyd-Hughes, T Richards, H Sirringhaus, MB Johnston, LM Herz
    Phys. Rev. B, 77:125203 (2008) [ abstract | pdf | doi:10.1103/PhysRevB.77.125203 ]
  76. Terahertz magnetoconductivity of excitons and electrons in quantum cascade structures,
    J Lloyd-Hughes, HE Beere, DA Ritchie, MB Johnston
    Phys. Rev. B, 77:125322 (2008) [ abstract | pdf | doi:10.1103/PhysRevB.77.125322 ]
  77. Excitation-density-dependent generation of broadband terahertz radiation in an asymmetrically excited photoconductive antenna,
    PC Upadhya, W Fan, A Burnett, J Cunningham, AG Davies, EH Linfield, J Lloyd-Hughes, E Castro-Camus, MB Johnston, H Beere
    Opt. Lett., 32:2297 (2007) [ abstract | pdf | doi:10.1364/OL.32.002297 ]
  78. Transient terahertz conductivity of {GaAs} nanowires,
    P Parkinson, J Lloyd-Hughes, Q Gao, HH Tan, C Jagadish, MB Johnston, LM Herz
    Nano Lett., 7:2162-2165 (2007) [ abstract | pdf | doi:10.1021/nl071162x ]
  79. An ion-implanted InP receiver for polarization resolved terahertz spectroscopy,
    E Castro-Camus, J Lloyd-Hughes, L Fu, HH Tan, C Jagadish, MB Johnston
    Opt. Express, 15:7047-7057 (2007) [ abstract | pdf | doi:10.1364/OE.15.007047 ]
  80. Plasmonics: Superfocusing of terahertz waves,
    MB Johnston
    Nat. Photon., 1:14-15 (2007) [ abstract | pdf | doi:10.1038/nphoton.2006.60 ]
  81. Influence of surface passivation on ultrafast carrier dynamics and terahertz radiation generation in GaAs,
    J Lloyd-Hughes, SKE Merchant, L Fu, HH Tan, C Jagadish, E Castro-Camus, MB Johnston
    Appl. Phys. Lett., 89:232102 (2006) [ abstract | pdf | doi:10.1063/1.2398915 ]
  82. Charge trapping in polymer transistors probed by terahertz spectroscopy and scanning probe potentiometry,
    J Lloyd-Hughes, T Richards, H Sirringhaus, E Castro-Camus, LM Herz, MB Johnston
    Appl. Phys. Lett., 89:112101 (2006) [ abstract | pdf | doi:10.1063/1.2340057 ]
  83. Longitudinal electron bunch profile diagnostics at 45MeV using coherent Smith-Purcell radiation,
    G Doucas, V Blackmore, B Ottewell, C Perry, PG Huggard, E Castro-Camus, MB Johnston, J Lloyd-Hughes, MF Kimmitt, B Redlich, A van der Meer
    Phys. Rev. Spec. Top.-Accel. Beams, 9:092801 (2006) [ abstract | pdf | doi:10.1103/PhysRevSTAB.9.092801 ]
  84. Simulation and optimisation of terahertz emission from InGaAs and InP photoconductive switches,
    J Lloyd-Hughes, E Castro-Camus, MB Johnston
    Solid State Commun., 136:595-600 (2005) [ abstract | pdf | doi:10.1016/j.ssc.2005.09.037 ]
  85. Polarization-sensitive terahertz detection by multicontact photoconductive receivers,
    E Castro-Camus, J Lloyd-Hughes, MB Johnston, MD Fraser, HH Tan, C Jagadish
    Appl. Phys. Lett., 86:254102 (2005) [ abstract | pdf | doi:10.1063/1.1951051 ]
  86. Three-dimensional carrier-dynamics simulation of terahertz emission from photoconductive switches,
    E Castro-Camus, J Lloyd-Hughes, MB Johnston
    Phys. Rev. B, 71:195301 (2005) [ abstract | pdf | doi:10.1103/PhysRevB.71.195301 ]
  87. Carrier dynamics in ion-implanted GaAs studied by simulation and observation of terahertz emission,
    J Lloyd-Hughes, E Castro-Camus, MD Fraser, C Jagadish, MB Johnston
    Phys. Rev. B, 70:235330 (2004) [ abstract | pdf | doi:10.1103/PhysRevB.70.235330 ]
  88. Emission of collimated THz pulses from photo-excited semiconductors,
    MB Johnston, A Dowd, R Driver, EH Linfield, AG Davies, DM Whittaker
    Semicond. Sci. Technol., 19:S449-S451 (2004) [ abstract | pdf | doi:10.1088/0268-1242/19/4/147 ]
  89. Selective dielectrophoretic manipulation of surface-immobilized DNA molecules,
    WA Germishuizen, C Walti, R Wirtz, MB Johnston, M Pepper, AG Davies, APJ Middelberg
    Nanotechnology, 14:896-902 (2003) [ abstract | pdf | doi:10.1088/0957-4484/14/8/310 ]
  90. Low-energy vibrational modes in phenylene oligomers studied by THz time-domain spectroscopy,
    MB Johnston, LM Herz, ALT Khan, A Kohler, AG Davies, EH Linfield
    Chem. Phys. Lett., 377:256-262 (2003) [ abstract | pdf | doi:10.1016/S0009-2614(03)01136-9 ]
  91. The development of terahertz sources and their applications,
    AG Davies, EH Linfield, MB Johnston
    Phys. Med. Biol., 47:3679-3689 (2002) [ abstract | pdf | doi:10.1088/0031-9155/47/21/302 ]
  92. Generation of high-power terahertz pulses in a prism,
    MB Johnston, DM Whittaker, A Dowd, AG Davies, EH Linfield, X Li, DA Ritchie
    Opt. Lett., 27:1935-1937 (2002) [ abstract | pdf | doi:10.1364/OL.27.001935 ]
  93. Simulation of terahertz generation at semiconductor surfaces,
    MB Johnston, DM Whittaker, A Corchia, AG Davies, EH Linfield
    Phys. Rev. B, 65:165301 (2002) [ abstract | pdf | doi:10.1103/PhysRevB.65.165301 ]
  94. Magnetic-field-induced enhancement of terahertz emission from III-V semiconductor surfaces,
    MB Johnston, A Corchia, A Dowd, EH Linfield, AG Davies, R McLaughlin, DD Arnone, M Pepper
    Physica E, 13:896-899 (2002) [ abstract | pdf | doi:10.1016/S1386-9477(02)00229-1 ]
  95. Thermally stimulated luminescence in ion-implanted GaAs,
    M Gal, LV Dao, E Kraft, MB Johnston, C Carmody, HH Tan, C Jagadish
    J. Lumines., 96:287-293 (2002) [ abstract | pdf | doi:10.1016/S0022-2313(01)00219-8 ]
  96. Theory of magnetic-field enhancement of surface-field terahertz emission,
    MB Johnston, DM Whittaker, A Corchia, AG Davies, EH Linfield
    J. Appl. Phys., 91:2104-2106 (2002) [ abstract | pdf | doi:10.1063/1.1433187 ]
  97. Effects of magnetic field and optical fluence on terahertz emission in gallium arsenide,
    A Corchia, R McLaughlin, MB Johnston, DM Whittaker, DD Arnone, EH Linfield, AG Davies, M Pepper
    Phys. Rev. B, 6420:205204 (2001) [ abstract | pdf | doi:10.1103/PhysRevB.64.205204 ]
  98. Carrier capture and relaxation in Stranski-Krastanow InxGa1-xAs/GaAs(311)B quantum dots,
    C Lobo, N Perret, D Morris, J Zou, DJH Cockayne, MB Johnston, M Gal, R Leon
    Phys. Rev. B, 62:2737-2742 (2000) [ abstract | pdf | doi:10.1103/PhysRevB.62.2737 ]
  99. Enhanced coherent terahertz emission from indium arsenide in the presence of a magnetic field,
    R McLaughlin, A Corchia, MB Johnston, Q Chen, CM Ciesla, DD Arnone, GAC Jones, EH Linfield, AG Davies, M Pepper
    Appl. Phys. Lett., 76:2038-2040 (2000) [ abstract | pdf | doi:10.1063/1.126247 ]
  100. Wavelength shifting of adjacent quantum wells in V-groove quantum wire structure by selective implantation and annealing,
    XQ Liu, W Lu, XS Chen, SC Shen, HH Tan, S Yuan, C Jagadish, MB Johnston, LV Dao, M Gal, J Zou, DJH Cockayne
    J. Appl. Phys., 87:1566-1568 (2000) [ abstract | pdf | doi:10.1063/1.372051 ]
  101. Proton implantation and rapid thermal annealing effects on GaAs/AlGaAs quantum well infrared photodetectors,
    N Li, N Li, W Lu, XQ Liu, XZ Yuan, ZF Li, HF Dou, SC Shen, Y Fu, M Willander, L Fu, HH Tan, C Jagadish, MB Johnston, M Gal
    Superlattices Microstruct., 26:317-324 (1999) [ abstract | pdf | doi:10.1006/spmi.1999.0785 ]
  102. Interdiffused quantum-well infrared photodetectors for color sensitive arrays,
    MB Johnston, M Gal, N Li, ZH Chen, XQ Liu, N Li, W Lu, SC Shen, L Fu, HH Tan, C Jagadish
    Appl. Phys. Lett., 75:923-925 (1999) [ abstract | pdf | doi:10.1063/1.124555 ]
  103. Proton irradiation-induced intermixing in InGaAs/(Al)GaAs quantum wells and quantum-well lasers,
    L Fu, HH Tan, MB Johnston, M Gal, C Jagadish
    J. Appl. Phys., 85:6786-6789 (1999) [ abstract | pdf | doi:10.1063/1.370291 ]
  104. Si and C delta-doping for device applications,
    G Li, MB Johnston, A Babinski, S Yuan, M Gal, SJ Chua, C Jagadish
    J. Cryst. Growth, 195:54-57 (1998) [ abstract | pdf | doi:10.1016/S0022-0248(98)00640-X ]
  105. Improved carrier collection in intermixed InGaAs/GaAs quantum wells,
    LV Dao, MB Johnston, M Gal, L Fu, HH Tan, C Jagadish
    Appl. Phys. Lett., 73:3408-3410 (1998) [ abstract | pdf | doi:10.1063/1.122780 ]
  106. Si and C delta-doping of GaAs grown by metal organic vapour phase epitaxy for fabrication of nipi doping superlattices,
    C Jagadish, G Li, MB Johnston, M Gal
    Mater. Sci. Eng. B-Solid State Mater. Adv. Technol., 51:103-105 (1998) [ abstract | pdf | doi:10.1016/S0921-5107(97)00238-9 ]
  107. Photoluminescence study of the dynamical properties of GaAs sawtooth superlattices,
    MB Johnston, M Gal, G Li, C Jagadish
    J. Appl. Phys., 82:5748-5752 (1997) [ abstract | pdf | doi:10.1063/1.366439 ]
  108. Growth of Si and C delta-doped nipi doping superlattices in GaAs by metal organic vapor phase epitaxy,
    G Li, C Jagadish, MB Johnston, M Gal
    Appl. Phys. Lett., 69:4218-4220 (1996) [ abstract | pdf | doi:10.1063/1.116991 ]
  109. Effects of anodic oxide induced intermixing on the structural and optical properties of quantum wire structure grown on nonplanar GaAs substrate,
    Y Kim, S Yuan, R Leon, C Jagadish, M Gal, MB Johnston, MR Phillips, MAS Kalceff, J Zou, DJH Cockayne
    J. Appl. Phys., 80:5014-5020 (1996) [ abstract | pdf | doi:10.1063/1.363546 ]
  110. Static Electrification by Nonwetting Liquids. Contact Charging and Contact Angles,
    VV Yaminsky, MB Johnston
    Langmuir, 11:4153-4158 (1995) [ abstract | pdf | doi:10.1021/la00010a083 ]