Structural transformation of the BiSbTeSe2 topological insulator during Co laser MBE deposition

A. K. Kaveev; S. M. Suturin; V. A. Golyashov; K. A. Kokh; O. E. Tereshchenko

doi:10.1088/1742-6596/1400/5/055016

Structural transformation of the BiSbTeSe₂ topological insulator during Co laser MBE deposition

A. K. Kaveev, S. M. Suturin, V. A. Golyashov, K. A. Kokh, O. E. Tereshchenko

Результат исследования: Научные публикации в периодических изданиях › статья по материалам конференции › рецензирование

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Аннотация

The studies of the structural transformation of BiSbTeSe₂ topological insulator during Co deposition were carried out. It was shown that Co, being deposited on BiSbTeSe₂(0001) at 330°C, substantially modifies topmost part of the substrate. Reciprocal space mapping studies using RHEED data analysis reveal formation of the well-ordered layer with the modified composition and crystalline structure. It was found that this layer consists of three orthorhombic structural domains oriented at 120° to each other. Each domain has Pmnn space group characteristic fot CoTe_xSe_2-x. The lattice parameters and epitaxial relations were found.

Язык оригинала	английский
Номер статьи	055016
Число страниц	4
Журнал	Journal of Physics: Conference Series
Том	1400
Номер выпуска	5
DOI	https://doi.org/10.1088/1742-6596/1400/5/055016
Состояние	Опубликовано - 11 дек. 2019
Событие	International Conference PhysicA.SPb 2019 - Saint Petersburg, Российская Федерация Продолжительность: 22 окт. 2019 → 24 окт. 2019

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10.1088/1742-6596/1400/5/055016

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title = "Structural transformation of the BiSbTeSe2 topological insulator during Co laser MBE deposition",

abstract = "The studies of the structural transformation of BiSbTeSe2 topological insulator during Co deposition were carried out. It was shown that Co, being deposited on BiSbTeSe2(0001) at 330°C, substantially modifies topmost part of the substrate. Reciprocal space mapping studies using RHEED data analysis reveal formation of the well-ordered layer with the modified composition and crystalline structure. It was found that this layer consists of three orthorhombic structural domains oriented at 120° to each other. Each domain has Pmnn space group characteristic fot CoTexSe2-x. The lattice parameters and epitaxial relations were found.",

keywords = "COBALT, ELECTROCATALYSTS, ELECTRODE",

author = "Kaveev, {A. K.} and Suturin, {S. M.} and Golyashov, {V. A.} and Kokh, {K. A.} and Tereshchenko, {O. E.}",

year = "2019",

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journal = "Journal of Physics: Conference Series",

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Structural transformation of the BiSbTeSe₂ topological insulator during Co laser MBE deposition. / Kaveev, A. K.; Suturin, S. M.; Golyashov, V. A. и др.

В: Journal of Physics: Conference Series, Том 1400, № 5, 055016, 11.12.2019.

Результат исследования: Научные публикации в периодических изданиях › статья по материалам конференции › рецензирование

TY - JOUR

T1 - Structural transformation of the BiSbTeSe2 topological insulator during Co laser MBE deposition

AU - Kaveev, A. K.

AU - Suturin, S. M.

AU - Golyashov, V. A.

AU - Kokh, K. A.

AU - Tereshchenko, O. E.

PY - 2019/12/11

Y1 - 2019/12/11

N2 - The studies of the structural transformation of BiSbTeSe2 topological insulator during Co deposition were carried out. It was shown that Co, being deposited on BiSbTeSe2(0001) at 330°C, substantially modifies topmost part of the substrate. Reciprocal space mapping studies using RHEED data analysis reveal formation of the well-ordered layer with the modified composition and crystalline structure. It was found that this layer consists of three orthorhombic structural domains oriented at 120° to each other. Each domain has Pmnn space group characteristic fot CoTexSe2-x. The lattice parameters and epitaxial relations were found.

AB - The studies of the structural transformation of BiSbTeSe2 topological insulator during Co deposition were carried out. It was shown that Co, being deposited on BiSbTeSe2(0001) at 330°C, substantially modifies topmost part of the substrate. Reciprocal space mapping studies using RHEED data analysis reveal formation of the well-ordered layer with the modified composition and crystalline structure. It was found that this layer consists of three orthorhombic structural domains oriented at 120° to each other. Each domain has Pmnn space group characteristic fot CoTexSe2-x. The lattice parameters and epitaxial relations were found.

KW - COBALT

KW - ELECTROCATALYSTS

KW - ELECTRODE

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U2 - 10.1088/1742-6596/1400/5/055016

DO - 10.1088/1742-6596/1400/5/055016

M3 - Conference article

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VL - 1400

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

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M1 - 055016

T2 - International Conference PhysicA.SPb 2019

Y2 - 22 October 2019 through 24 October 2019

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