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Surface Сonductivity Dynamics in PbSnTe:In Films in the Vicinity of a Band Inversion


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Abstract

The features of transient processes under the field effect in PbSnTe:In films with a variation in the current up to a factor of 105 are studied at helium temperatures. These features qualitatively correspond to a model, in which a high concentration of traps with different parameters is present on the PbSnTe:In surface. The role of the surface is confirmed by a strong variation in the experimental characteristic after the chemical removal of native oxides from the PbSnTe:In surface and its passivation by an Al2O3 layer.

About the authors

A. E. Klimov

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

Author for correspondence.
Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630073

A. N. Akimov

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090

I. O. Akhundov

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090

V. A. Golyashov

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090

D. V. Gorshkov

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090

D. V. Ishchenko

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090

G. Yu. Sidorov

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090

S. P. Suprun

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090

A. S. Tarasov

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090

V. S. Epov

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090

O. E. Tereshchenko

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

Email: klimov@isp.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090

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