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  1. No Access

    Article

    Who’s trusting in a truss?

    J. Whitaker, G. Akritidis, D. Baker in Hernia (2014)

  2. No Access

    Article

    Temperature Dependence of the Decay of Optically Excited Charge Carriers in Amorphous Silicon

    We report the temperature dependence of the growth and decay of the optically induced electron spin resonance (LESR) on short and long time scales (10-3 s < t < 2500 s). This range of times spans the region betwe...

    J. Whitaker, P. C. Taylor in MRS Online Proceedings Library (2011)

  3. No Access

    Article

    Recombination of Optically Excited Carriers in a-Si:H at Low temperatures and Intermediate Times

    Optically induced electron spin resonance (LESR) studies on time scales in between the previously published PL and LESR results (approximately 10 ms to 10 s) allow one to examine the cross over between energy-...

    J. Whitaker, T. Su, P. C. Taylor in MRS Online Proceedings Library (2011)

  4. No Access

    Article

    Evolution of D0 and non-D0 Light Induced Defect States in a-Si:H Materials and Their Respective Contribution to Carrier Recombination

    A study has been carried out on the evolution of light induced defects in protocrystalline (diluted) a-Si:H films under 1 sun illumination. A room temperature reversal is observed in the photocurrents at 25 °C...

    J. M. Pearce, J. Deng, V. Vlahos, R. W. Collins… in MRS Online Proceedings Library (2003)

  5. No Access

    Article

    Tritium Induced Defects in Amorphous Silicon

    We report the growth of tritium induced defects in tritium doped hydrogenated amorphous silicon (a-Si:H.T) as measured by electron spin resonance (ESR) and photothermal deflection spectroscopy (PDS). The measu...

    J. Whitaker, J. Viner, S. Zukotynski, E. Johnson… in MRS Online Proceedings Library (2003)

  6. No Access

    Article

    A Critical Review of Street Lighting, Crime and Fear of Crime in the British City

    The UK government has recently made £300 million available to help local authorities to modernise their street lighting. In consideration of such future funding, this paper reviews the relationship between lig...

    P M Cozens, R H Neale, J Whitaker, D Hillier… in Crime Prevention and Community Safety (2003)

  7. No Access

    Article

    Management of chronic postoperative pain following incisional hernia repair with Composix mesh: a report of two cases

    There are new prosthetic biomaterials that are used to repair various defects in the abdominal wall. These have been developed within the last several years. The results of many of these products are not yet ...

    K. LeBlanc, J. Whitaker in Hernia (2002)

  8. No Access

    Article

    ‘Do-It-Yourself’ Attenuated Total Reflectance Cell Designed and Constructed in a Laboratory Course: A Versatile and Economical Alternative to Commercial Designs

    An attenuated total internal reflectance (ATR) cell has been designed and constructed by a group of four undergraduate and graduate students during an advanced laboratory course in the School of Chemical Engin...

    S. LAU, J. RIGHT, K. STAVENS, J. WHITAKER, Z. LIU, J. LAUTERBACH in The Chemical Educator (1997)

  9. No Access

    Article

    Structure and carrier lifetime in LT-GaAs

    The relationship between the structural quality of low-temperature GaAs layers and the photoexcited carrier lifetime has been studied. Transmission electron microscopy, x-ray rocking curves, time-resolved refl...

    Zuzanna Liliental-Weber, H. J. Cheng, S. Gupta… in Journal of Electronic Materials (1993)

  10. No Access

    Article

    InxGa1−xAs (x=0.25–0.35) grown at low temperature

    InxGa1−xAs (x=0.25–0.35) grown at low temperature on GaAs by molecular beam epitaxy is characterized by Hall effect, transmission electron microscopy, and ultrafast optical testing. As with low temperature (LT) G...

    J. M. Ballingall, P. Ho, J. Mazurowski, L. Lester… in Journal of Electronic Materials (1993)

  11. No Access

    Article

    Electronic Structure of N-V Centers and Terahertz Spectroscopy of Diamond

    We report an essentially complete characterization of energies and relaxation processes of the lowest seven electronic states of the N-V (nitrogen-vacancy) center in diamond using several different nonlinear l...

    D. A. Redman, Q. Shu, S. W. Brown, A. Lenef, Y. Lrj… in MRS Online Proceedings Library (1992)

  12. No Access

    Chapter and Conference Paper

    Femtosecond Absorption Studies of Nonequilibrium Electronic Processes in High-Tc Superconductors

    Femtosecond laser pulses are used to probe nonequilibrium carrier distributions in high-Tc superconducting films. An increase in the relaxation time and peak fractional transmissivity change was observed when the...

    J. Chwalek, C. Uher, S. Gupta, J. Whitaker, G. Mourou… in Ultrafast Phenomena VII (1990)

  13. No Access

    Chapter and Conference Paper

    Ultrafast Optics Applied to Modern Device Research

    We show that ultrafast optical techniques have made possible the direct investigation of basic nonstationary transport, i.e. velocity overshoot and resonant tunneling, which governs the operation of modern hig...

    G. Mourou, K. Meyer, J. Whitaker, M. Pessot… in Picosecond Electronics and Optoelectronics… (1987)