Detection of highly conductive surface electron states in topological crystalline insulators Pb1-xSnxSe using laser terahertz radiation

Egorova, S. G. and Chernichkin, V. I. and Ryabova, L. I. and Skipetrov, E. P. and Yashina, L. V. and Danilov, S. N. and Ganichev, S. D. and Khokhlov, D. R. (2015) Detection of highly conductive surface electron states in topological crystalline insulators Pb1-xSnxSe using laser terahertz radiation. SCIENTIFIC REPORTS, 5: 11540. ISSN 2045-2322,

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Abstract

We suggest a method for detection of highly conductive surface electron states including topological ones. The method is based on measurements of the photoelectromagnetic effect using terahertz laser pulses. In contrast to conventional transport measurements, the method is not sensitive to the bulk conductivity. The method is demonstrated on an example of topological crystalline insulators Pb1-xSnxSe. It is shown that highly conductive surface electron states are present in Pb1-xSnxSe both in the inverse and direct electron energy spectrum.

Item Type: Article
Uncontrolled Keywords: TRANSPORT;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Arbeitskreis Dr. Richard Weihrich
Depositing User: Dr. Gernot Deinzer
Date Deposited: 10 Jul 2019 13:28
Last Modified: 10 Jul 2019 13:28
URI: https://pred.uni-regensburg.de/id/eprint/5304

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