Specific features of the electronic, spin, and atomic structures of a topological insulator Bi2Te2.4Se0.6
M V Filyanina
1
,
I I Klimovskikh
1
,
S V Eremeev
1, 2, 3
,
A.A. Rybkina
1
,
A G Rybkin
1, 4
,
E V Zhizhin
1, 4
,
A E Petukhov
1, 4
,
I P Rusinov
1, 3
,
K. A. Kokh
1, 3, 5, 6
,
E. V. CHULKOV
1, 3, 7
,
O E Tereshchenko
1, 3, 7, 8
,
7
Publication type: Journal Article
Publication date: 2016-04-01
scimago Q4
wos Q3
SJR: 0.183
CiteScore: 1.4
Impact factor: 1.8
ISSN: 10637834, 10906460, 17267498
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
The specific features of the electronic and spin structures of a triple topological insulator Bi2Te2.4Se0.6, which is characterized by high-efficiency thermoelectric properties, have been studied with the use of angular- and spin-resolved photoelectron spectroscopy and compared with theoretical calculations in the framework of the density functional theory. It has been shown that the Fermi level for Bi2Te2.4Se0.6 falls outside the band gap and traverses the topological surface state (the Dirac cone). Theoretical calculations of the electronic structure of the surface have demonstrated that the character of distribution of Se atoms on the Te–Se sublattice practically does not influence the dispersion of the surface topological electronic state. The spin structure of this state is characterized by helical spin polarization. Analysis of the Bi2Te2.4Se0.6 surface by scanning tunnel microscopy has revealed atomic smoothness of the surface of a sample cleaved in an ultrahigh vacuum, with a lattice constant of ~4.23 Å. Stability of the Dirac cone of the Bi2Te2.4Se0.6 compound to deposition of a Pt monolayer on the surface is shown.
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Filyanina M. V. et al. Specific features of the electronic, spin, and atomic structures of a topological insulator Bi2Te2.4Se0.6 // Physics of the Solid State. 2016. Vol. 58. No. 4. pp. 779-787.
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Filyanina M. V., Klimovskikh I. I., Eremeev S. V., Rybkina A., Rybkin A. G., Zhizhin E. V., Petukhov A. E., Rusinov I. P., Kokh K. A., CHULKOV E. V., Tereshchenko O. E., SHIKIN A. M. Specific features of the electronic, spin, and atomic structures of a topological insulator Bi2Te2.4Se0.6 // Physics of the Solid State. 2016. Vol. 58. No. 4. pp. 779-787.
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TY - JOUR
DO - 10.1134/S1063783416040065
UR - http://link.springer.com/10.1134/S1063783416040065
TI - Specific features of the electronic, spin, and atomic structures of a topological insulator Bi2Te2.4Se0.6
T2 - Physics of the Solid State
AU - Filyanina, M V
AU - Klimovskikh, I I
AU - Eremeev, S V
AU - Rybkina, A.A.
AU - Rybkin, A G
AU - Zhizhin, E V
AU - Petukhov, A E
AU - Rusinov, I P
AU - Kokh, K. A.
AU - CHULKOV, E. V.
AU - Tereshchenko, O E
AU - SHIKIN, A. M.
PY - 2016
DA - 2016/04/01
PB - Pleiades Publishing
SP - 779-787
IS - 4
VL - 58
SN - 1063-7834
SN - 1090-6460
SN - 1726-7498
ER -
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BibTex (up to 50 authors)
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@article{2016_Filyanina,
author = {M V Filyanina and I I Klimovskikh and S V Eremeev and A.A. Rybkina and A G Rybkin and E V Zhizhin and A E Petukhov and I P Rusinov and K. A. Kokh and E. V. CHULKOV and O E Tereshchenko and A. M. SHIKIN},
title = {Specific features of the electronic, spin, and atomic structures of a topological insulator Bi2Te2.4Se0.6},
journal = {Physics of the Solid State},
year = {2016},
volume = {58},
publisher = {Pleiades Publishing},
month = {apr},
url = {http://link.springer.com/10.1134/S1063783416040065},
number = {4},
pages = {779--787},
doi = {10.1134/S1063783416040065}
}
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MLA
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Filyanina, M. V., et al. “Specific features of the electronic, spin, and atomic structures of a topological insulator Bi2Te2.4Se0.6.” Physics of the Solid State, vol. 58, no. 4, Apr. 2016, pp. 779-787. http://link.springer.com/10.1134/S1063783416040065.