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Effect of compositional disorder on the optical properties of Cd1−xZnxTe

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Abstract

Time-resolved as well as time-integrated luminescence of a bulk grown undoped Cd0.12Zn0.88Te crystal is measured to investigate the effect of compositional disorder on the recombination dynamics. The temporal behavior of the neutral-donor-bound exciton emission is well expressed by a simple exponential rise and decay. However, non-exponential rise and decay are observed for the acceptor-bound-exciton emission. It is shown that by introducing an intermediate state for the transition, the temporal behavior, especially the rising edge, of the acceptor bound exciton emission can well be described by a rate equation model.

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Authors and Affiliations

  1. Hokkaido Institute of Technology, 006-8585, Sapporo, Japan

    K. Suzuki, K. Imai & T. Sawada

  2. Ishikawa National College of Technology, 929-0392, Ishikawa, Japan

    S. Seto

  3. Institut für Festkörperphysik, Universität Bremen, D-28334, Bremen, Germany

    U. Neukirch & J. Gutowski

Authors
  1. K. Suzuki
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  2. S. Seto
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  3. K. Imai
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  4. T. Sawada
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  5. U. Neukirch
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  6. J. Gutowski
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Suzuki, K., Seto, S., Imai, K. et al. Effect of compositional disorder on the optical properties of Cd1−xZnxTe. J. Electron. Mater. 28, 785–788 (1999). https://doi.org/10.1007/s11664-999-0070-6

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  • DOI: https://doi.org/10.1007/s11664-999-0070-6

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