🔧На сайте запланированы технические работы
25.12.2025 в промежутке с 18:00 до 21:00 по Московскому времени (GMT+3) на сайте будут проводиться плановые технические работы. Возможны перебои с доступом к сайту. Приносим извинения за временные неудобства. Благодарим за понимание!
🔧Site maintenance is scheduled.
Scheduled maintenance will be performed on the site from 6:00 PM to 9:00 PM Moscow time (GMT+3) on December 25, 2025. Site access may be interrupted. We apologize for the inconvenience. Thank you for your understanding!

 

Features of the Impurity-Photoconductivity Spectra of PbSnTe(In) Epitaxial Films with Temperature Changes


Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription Access

Abstract

The photoconductivity spectra of PbSnTe(In) epitaxial films are investigated by Fourier spectroscopy in the far infrared range at temperatures from 4.2 to 32.4 K. In addition to interband transitions, subgap features associated with the excitation of impurity-defect states are found in the spectra. The evolution of the spectra with temperature and additional illumination is traced.

About the authors

A. V. Ikonnikov

Moscow State University

Author for correspondence.
Email: antikon@physics.msu.ru
Russian Federation, Moscow, 119991

V. I. Chernichkin

Moscow State University

Email: antikon@physics.msu.ru
Russian Federation, Moscow, 119991

V. S. Dudin

Moscow State University

Email: antikon@physics.msu.ru
Russian Federation, Moscow, 119991

D. A. Akopian

Moscow State University

Email: antikon@physics.msu.ru
Russian Federation, Moscow, 119991

A. N. Akimov

Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences

Email: antikon@physics.msu.ru
Russian Federation, Novosibirsk, 630090

A. E. Klimov

Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State Technical University

Email: antikon@physics.msu.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630073

O. E. Tereshchenko

Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Email: antikon@physics.msu.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090

L. I. Ryabova

Moscow State University

Email: antikon@physics.msu.ru
Russian Federation, Moscow, 119991

D. R. Khokhlov

Moscow State University; Lebedev Physical Institute, Russian Academy of Sciences

Email: antikon@physics.msu.ru
Russian Federation, Moscow, 119991; Moscow, 119991

Supplementary files

Supplementary Files
Action
1. JATS XML

Copyright (c) 2019 Pleiades Publishing, Ltd.