Brief Communications

Analysis of photoconductivity spectra with a strongly delayed photoresponse

N. L. Bazhenov, M. G. Mynbaeva, K. J. Mynbaev

Ioffe Institute, St. Petersburg

Abstract: The problem of recording the photoresponse spectra in semiconductors with the persistent photoconductivity effect is considered for heterostructures with “slow” charge states at the heterointerface. The proposed versions of the solution of this problem include the use of modulation of excitation or reconstruction of the true shape of the spectrum recorded in the direct-current mode.

Received: 04.07.2011
Accepted: 29.12.2011

 English version: Technical Physics, 2012, 57:9, 1300–1303

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