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

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Egorova, S. G. ; Chernichkin, V. I. ; Ryabova, L. I. ; Skipetrov, E. P. ; Yashina, L. V. ; Danilov, S. N. ; Ganichev, Sergey ; Khokhlov, D. R.
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 05 Dec 2016 13:09


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 ...


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