I. P. Rusinov, I. A. Nechaev, E. V. Chulkov, “Many-body effects on the width of the band gap in $\mathrm{Bi}_2\mathrm{Te}_2X$ ($X=\mathrm{Te}, \mathrm{Se}, \mathrm{S}$) topological insulators”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:7 (2013), 452–458; JETP Letters, 98:7 (2013), 397

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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2013, Volume 98, Issue 7, Pages 452–458
DOI: https://doi.org/10.7868/S0370274X13190090 (Mi jetpl3536)

This article is cited in 14 scientific papers (total in 14 papers)

CONDENSED MATTER

Many-body effects on the width of the band gap in

{B i}_{2} {T e}_{2} X

$\mathrm{Bi}_2\mathrm{Te}_2X$ (

X = T e, S e, S

$X=\mathrm{Te}, \mathrm{Se}, \mathrm{S}$ ) topological insulators

I. P. Rusinov^a, I. A. Nechaev^ab, E. V. Chulkov^bcad

^a Tomsk State University
^b Donostia International Physics Center
^c Departamento de Física de Materiales, Facultad de Quimica, UPV/EHU, San Sebastian, Basque Country
^d Universidad del País Vasco

Full-text PDF (768 kB) Citations (14)

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DOI: https://doi.org/10.7868/S0370274X13190090

Abstract: The spectrum of quasiparticles of

{B i}_{2} {T e}_{2} X

$\mathrm{Bi}_2\mathrm{Te}_2X$ (

X = T e, S e, S

$X = \mathrm{Te}, \mathrm{Se}, \mathrm S$ ) three-dimensional topological insulators has been theoretically studied in the

G W

$\mathrm{GW}$ approximation with the inclusion of the spin-orbit interaction in the construction of the Green's function and self-energy. It has been shown that many-body corrections to the Kohn–Sham states in

{B i}_{2} {T e}_{2} X

$\mathrm{Bi}_2\mathrm{Te}_2X$ increase the fundamental band gap similar to conventional semiconductors. However, the band gap at the

Γ

$\Gamma$ point decreases in this case. Gaps in the quasiparticle spectrum obtained in agreement with the experimental data correspond to the difference between the minimum of the conduction band, which is located on the

Γ

$\Gamma$ –

Z

$\mathrm{Z}$ line, and the maximum of the valence band, which lies beyond the symmetric directions in the mirror plane.

Received: 20.08.2013

English version:
Journal of Experimental and Theoretical Physics Letters, 2013, Volume 98, Issue 7, Pages 397–402
DOI: https://doi.org/10.1134/S0021364013200125

Bibliographic databases:

Document Type: Article

Language: Russian

Citation: I. P. Rusinov, I. A. Nechaev, E. V. Chulkov, “Many-body effects on the width of the band gap in

{B i}_{2} {T e}_{2} X

$\mathrm{Bi}_2\mathrm{Te}_2X$ (

X = T e, S e, S

$X=\mathrm{Te}, \mathrm{Se}, \mathrm{S}$ ) topological insulators”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:7 (2013), 452–458; JETP Letters, 98:7 (2013), 397–402

Citation in format AMSBIB

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Linking options:

https://www.mathnet.ru/eng/jetpl3536

https://www.mathnet.ru/eng/jetpl/v98/i7/p452

This publication is cited in the following 14 articles:

L. Craco, S. Leoni, APL Energy, 2:1 (2024)
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Dmitrii Nabok, Murat Tas, Shotaro Kusaka, Engin Durgun, Christoph Friedrich, Gustav Bihlmayer, Stefan Blügel, Toru Hirahara, Irene Aguilera, Phys. Rev. Materials, 6:3 (2022)
Xia Q., Xu Q., Xu B., Yi L., J. Solid State Chem., 296 (2021), 121963
Witting I.T., Ricci F., Chasapis T.C., Hautier G., Snyder G.J., Research, 2020 (2020), UNSP 4361703
Xu B., Song L., Peng G., Zhang J., Ma Sh., Wang Yu., Wang Yu., Phys. Lett. A, 383:28 (2019), 125864
Aguilera I., Friedrich Ch., Bluegel S., Phys. Rev. B, 100:15 (2019), 155147
M. V. Filianina, I. I. Klimovskikh, I. A. Shvets, A. G. Rybkin, A. E. Petukhov, E. V. Chulkov, V. A. Golyashov, K. A. Kokh, O. E. Tereshchenko, C. Polley, T. Balasubramanian, M. Leandersson, A. M. Shikin, Mater. Chem. Phys., 207 (2018), 253–258
E. Annese, T. Okuda, E. F. Schwier, H. Iwasawa, K. Shimada, M. Natamane, M. Taniguchi, I. P. Rusinov, S. V. Eremeev, K. A. Kokh, V. A. Golyashov, O. E. Tereshchenko, E. V. Chulkov, A. Kimura, Phys. Rev. B, 97:20 (2018)
A. Gaul, Q. Peng, D. J. Singh, G. Ramanath, T. Borca-Tasciuc, Phys. Chem. Chem. Phys., 19:20 (2017), 12784–12793
Li R., Xie Q., Cheng X., Li D., Li Y., Chen X.-Q., Phys. Rev. B, 92:20 (2015), 205130
Nechaev I.A. Aguilera I. De Renzi V. di Bona A. Rizzini A.L. Mio A.M. Nicotra G. Politano A. Scalese S. Aliev Z.S. Babanly M.B. Friedrich C. Bluegel S. Chulkov E.V., Phys. Rev. B, 91:24 (2015), 245123
Irene Aguilera, Ilya A. Nechaev, Christoph Friedrich, Stefan Blügel, Evgueni V. Chulkov, Topological Insulators, 2015, 161
Eremeev S.V. Koroteev Yu.M. Nechaev I.A. Chulkov E.V., Phys. Rev. B, 89:16 (2014), 165424

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