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Proceedings Paper

Thermally induced currents and instabilities of photoresponse in PbTe(In)-based films
Author(s): Boris A. Akimov; Vladislav A. Bogoyavlenskiy; Ludmila I. Ryabova; Vyacheslav N. Vasil'kov
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Paper Abstract

The thermally induced currents (TIC) and instabilities of photoresponse in Pb1-x-ySnxGeyTe(IN) films on BaF2 substrates have been investigated at temperatures 4.2 < T < 30 K. The temperature TM corresponding to maximum values of single TIC peaks appears to be extremely low varying from 6 K up to 14 K. The combined effect of lighting and slight heating of the sample from 4.2 K up to approximately 6 K results in photoresponse instabilities depending on the experimental regime. The results are interpreted in terms of thermal excitation of charge carriers from metastable impurity level.

Paper Details

Date Published: 4 November 1999
PDF: 4 pages
Proc. SPIE 3890, Fourth International Conference on Material Science and Material Properties for Infrared Optoelectronics, (4 November 1999); doi: 10.1117/12.368357
Show Author Affiliations
Boris A. Akimov, Moscow State Univ. (Russia)
Vladislav A. Bogoyavlenskiy, Moscow State Univ. (Russia)
Ludmila I. Ryabova, Moscow State Univ. (Russia)
Vyacheslav N. Vasil'kov, Research Development and Production Ctr. Orion (Russia)


Published in SPIE Proceedings Vol. 3890:
Fourth International Conference on Material Science and Material Properties for Infrared Optoelectronics
Fiodor F. Sizov, Editor(s)

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