Natural sulfur-containing minerals as topological insulators with a wide band gap

I. V. Silkin, T. V. Menshchikova, M. M. Otrokov, S. V. Eremeev, Yu M. Koroteev, M. G. Vergniory, V. M. Kuznetsov, E. V. Chulkov

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15 Citations (Scopus)

Abstract

The electronic structure of quaternary natural minerals PbBi 2Te 2S 2 (aleksite), Pb 2Bi 2Te 2S 3 (saddlebackite), and PbBi 4Te 4S 3 (C phase) has been theoretically studied. These compounds have a layered structure: aleksite and saddlebackite are formed by seven- and nine-layer blocks, respectively, and C phase consists of five- and seven-layer blocks separated by van der Waals gaps. It has been shown that all studied materials are three-dimensional topological insulators with a wide band gap in the electronic spectrum and have a high spin polarization. For these reasons, they are promising for applications.

Original languageEnglish
Pages (from-to)322-325
Number of pages4
JournalJETP Letters
Volume96
Issue number5
DOIs
Publication statusPublished - Nov 2012
Externally publishedYes

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sulfur
minerals
insulators
broadband
electronic spectra
electronic structure
polarization

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Silkin, I. V., Menshchikova, T. V., Otrokov, M. M., Eremeev, S. V., Koroteev, Y. M., Vergniory, M. G., ... Chulkov, E. V. (2012). Natural sulfur-containing minerals as topological insulators with a wide band gap. JETP Letters, 96(5), 322-325. https://doi.org/10.1134/S0021364012170158

Natural sulfur-containing minerals as topological insulators with a wide band gap. / Silkin, I. V.; Menshchikova, T. V.; Otrokov, M. M.; Eremeev, S. V.; Koroteev, Yu M.; Vergniory, M. G.; Kuznetsov, V. M.; Chulkov, E. V.

In: JETP Letters, Vol. 96, No. 5, 11.2012, p. 322-325.

Research output: Contribution to journalArticle

Silkin, IV, Menshchikova, TV, Otrokov, MM, Eremeev, SV, Koroteev, YM, Vergniory, MG, Kuznetsov, VM & Chulkov, EV 2012, 'Natural sulfur-containing minerals as topological insulators with a wide band gap', JETP Letters, vol. 96, no. 5, pp. 322-325. https://doi.org/10.1134/S0021364012170158
Silkin IV, Menshchikova TV, Otrokov MM, Eremeev SV, Koroteev YM, Vergniory MG et al. Natural sulfur-containing minerals as topological insulators with a wide band gap. JETP Letters. 2012 Nov;96(5):322-325. https://doi.org/10.1134/S0021364012170158
Silkin, I. V. ; Menshchikova, T. V. ; Otrokov, M. M. ; Eremeev, S. V. ; Koroteev, Yu M. ; Vergniory, M. G. ; Kuznetsov, V. M. ; Chulkov, E. V. / Natural sulfur-containing minerals as topological insulators with a wide band gap. In: JETP Letters. 2012 ; Vol. 96, No. 5. pp. 322-325.
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