Dr Darren Graham

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Publications

  1. 2019
  2. Published

    Magnetic-field tailoring of the terahertz polarization emitted from a spintronic source

    Hibberd, M., Lake, D., Johansson, NAB., Thomson, T., Jamison, S. P. & Graham, D., 2019, In : Applied Physics Letters. 114, 031101.

    Research output: Contribution to journalArticle

  3. 2017
  4. Published

    Demonstration of sub-luminal propagation of single-cycle terahertz pulses for particle acceleration

    Walsh, D. A., Lake, D. S., Snedden, E. W., Cliffe, M. J., Graham, D. & Jamison, S. P., 2017, In : Nature Communications. 8, 421.

    Research output: Contribution to journalArticle

  5. 2016
  6. Published

    Dielectric response of wurtzite gallium nitride in the terahertz frequency range

    Hibberd, M., Frey, V., Spencer, B., Mitchell, P., Dawson, P., Kappers, M. J., Oliver, R. A., Humphreys, C. J. & Graham, D., Dec 2016, In : Solid State Communications. 247, p. 68-71 4 p.

    Research output: Contribution to journalArticle

  7. Published

    Investigating efficiency droop in InGaN/GaN quantum well structures using ultrafast time-resolved terahertz and photoluminescence spectroscopy

    Dunn, A., Spencer, B. F., Hardman, S. J. O., Graham, D. M., Hammersley, S., Davies, M., Dawson, P., Kappers, M. J., Oliver, R. A. & Humphreys, C. J., May 2016, In : Physica Status Solidi. C: Current Topics in Solid State Physics. p. 252-255

    Research output: Contribution to journalArticle

  8. Published

    Terahertz cyclotron resonance spectroscopy of an AlGaN/GaN heterostructure using a high-field pulsed magnet and an asynchronous optical sampling technique

    Spencer, B. F., Smith, W. F., Hibberd, M. T., Dawson, P., Beck, M., Bartels, A., Guiney, I., Humphreys, C. J. & Graham, D. M., May 2016, In : Applied Physics Letters. 108, 21, 212101.

    Research output: Contribution to journalArticle

  9. Published

    Longitudinally polarized single-cycle terahertz pulses generated with high electric field strengths

    Cliffe, M. J., Graham, D. M. & Jamison, S. P., 2016, In : Applied Physics Letters. 108, 221102

    Research output: Contribution to journalArticle

  10. 2015
  11. Published

    Chemically-specific time-resolved surface photovoltage spectroscopy: Carrier dynamics at the interface of quantum dots attached to a metal oxide

    Spencer, B. F., Cliffe, M. J., Graham, D. M., Hardman, S. J. O., Seddon, E. A., Syres, K. L., Thomas, A., Sirotti, F., Silly, M. G., Akhtar, J., O'Brien, P., Fairclough, S. M., Smith, J. M., Chattopadhyay, S. & Flavell, W. R., 21 Mar 2015, In : Surface Science. 641, p. 320-325 5 p.

    Research output: Contribution to journalArticle

  12. Published

    Electronic Structure of a Mixed-Metal Fluoride-Centered Triangle Complex: A Potential Qubit Component

    Walsh, J. P. S., Meadows, S. B., Ghirri, A., Moro, F., Jennings, M., Smith, W. F., Graham, D. M., Kihara, T., Nojiri, H., Vitorica-Yrezabal, I. J., Timco, G. A., Collison, D., Mcinnes, E. J. L. & Winpenny, R. E. P., 2015, In : Inorganic Chemistry. 54, 24, p. 12019-12026 7 p.

    Research output: Contribution to journalArticle

  13. 2014
  14. Published

    Generation of longitudinally polarized terahertz pulses with field amplitudes exceeding 2 kV/cm

    Cliffe, M. J., Rodak, A., Graham, D. M. & Jamison, S. P., 12 Nov 2014, In : Applied Physics Letters. 105, 10

    Research output: Contribution to journalArticle

  15. Published

    Single-Shot Terahertz Magneto-Spectrometer

    Spencer, B. F., Cliffe, M. J., Knight-Percival, A. S., Smith, W. F. & Graham, D. M., 14 Sep 2014, host publication. Institute of Electrical and Electronics Engineers

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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