Interface electronic states contribution into terahertz photoconductivity in structures based on Hg1 – xCdxTe with inverted energy spectrum

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详细

We show the differences in the necessarily formed electronic states at the boundaries of the topological phase with a vacuum and with a trivial buffer in the regions of heterojunction in topological materials based on epitaxial films Hg1 – xCdxTe. It was demonstrated that the PT-symmetric terahertz photoconductivity observed in these structures is due precisely to the states in the region of the topological film/trivial buffer (or cap-layer) interfaces.

作者简介

A. Kazakov

Lomonosov Moscow State University, Physics Department

编辑信件的主要联系方式.
Email: askazakov@physics.msu.ru
Russia, 119991, Moscow

A. Galeeva

Lomonosov Moscow State University, Physics Department

Email: askazakov@physics.msu.ru
Russia, 119991, Moscow

A. Artamkin

Lomonosov Moscow State University, Physics Department

Email: askazakov@physics.msu.ru
Russia, 119991, Moscow

A. Ikonnikov

Lomonosov Moscow State University, Physics Department

Email: askazakov@physics.msu.ru
Russia, 119991, Moscow

S. Chmyr

Lomonosov Moscow State University, Physics Department

Email: askazakov@physics.msu.ru
Russia, 119991, Moscow

S. Dvoretskiy

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

Email: askazakov@physics.msu.ru
Russia, 630090, Novosibirsk

N. Mikhailov

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

Email: askazakov@physics.msu.ru
Russia, 630090, Novosibirsk

M. Bannikov

Lebedev Physical Institute of the Russian Academy of Sciences

Email: askazakov@physics.msu.ru
Russia, 119991, Moscow

S. Danilov

University of Regensburg

Email: askazakov@physics.msu.ru
Germany, D-93053 , Regensburg

L. Ryabova

Lomonosov Moscow State University, Chemistry Department

Email: askazakov@physics.msu.ru
Russia, 119991, Moscow

D. Khokhlov

Lomonosov Moscow State University, Physics Department; Lebedev Physical Institute of the Russian Academy of Sciences

Email: askazakov@physics.msu.ru
Russia, 119991, Moscow; Russia, 119991, Moscow

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版权所有 © А.С. Казаков, А.В. Галеева, А.И. Артамкин, А.В. Иконников, С.Н. Чмырь, С.А. Дворецкий, Н.Н. Михайлов, М.И. Банников, С.Н. Данилов, Л.И. Рябова, Д.Р. Хохлов, 2023

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