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Analysis of trap spectra in LEC and epitaxial GaAs

J. Vaitkus, E. Gaubas, V. Kazukauskas, V. Rinkevicius, J. Storasta, R. Tomasiunas, K. M. Smith, V. O'Shea

hep-exarXiv:hep-ex/9911048

Abstract

Different methods of trap parameter measurement are analysed. Transient photoconductivity and thermally stimulated effects were used to investigate the influence of traps in LEC SI-GaAs and high resistivity epitaxial GaAs. The peculiarities of the TSC were analysed and shown to be related to the influence of crystal micro-inhomogeneities.

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