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Thermally stimulated currents and instabilities of the photoresponse in PbTe(In) alloys at low temperatures

  • Electronic and Optical Properties of Semiconductors
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Abstract

The photoelectric properties of Pb1−X−Y SnXGeYTe(In) epitaxial films (0.06<X<0.2, 0.08<Y<0.12) with In concentrations of 0.5–1 at.% on BaF2 substrates are investigated in the temperature range 4.2 K<T<30 K. Thermally stimulated single current (TSC) peaks are observed at T∼6–14 K. It is established that a magnetic field up to 5 T slightly shifts the peaks essentially without affecting their profile. The TSC peaks and the electrothermal instabilities observed at T<15 K are attributed to the excitation of electrons from metastable states into the conduction band.

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Authors and Affiliations

  1. M. V. Lomonosov Moscow State University, 119899, Moscow, Russia

    B. A. Akimov, V. A. Bogoyavlenskii, L. I. Ryabova, V. N. Vasil’kov & E. I. Slyn’ko

Authors
  1. B. A. Akimov
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  2. V. A. Bogoyavlenskii
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  3. L. I. Ryabova
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  4. V. N. Vasil’kov
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  5. E. I. Slyn’ko
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Fiz. Tekh. Poluprovodn. 33, 9–12 (January 1999)

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Akimov, B.A., Bogoyavlenskii, V.A., Ryabova, L.I. et al. Thermally stimulated currents and instabilities of the photoresponse in PbTe(In) alloys at low temperatures. Semiconductors 33, 6–9 (1999). https://doi.org/10.1134/1.1187637

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  • DOI: https://doi.org/10.1134/1.1187637

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