Physical Review B, volume 100, issue 18, publication number 184514
Electronic band structure and superconducting properties of SnAs
Bezotosnyi P. I.
1
,
Dmitrieva K. A.
1
,
Sadakov A. V.
1
,
Sadakov A.V.
1
,
Pervakov K.S.
1
,
Muratov A. V.
1
,
Usol'tsev A.S.
1, 2
,
Tsvetkov A.Yu.
1
,
Gavrilkin S.Yu.
1
,
Pavlov N.S.
3
,
Pavlov N. S.
3
,
Slobodchikov A A
3, 4
,
Slobodchikov A. A.
3, 4
,
Vilkov O. Yu.
5
,
Vilkov O Yu
5
,
Rybkin Artem G.
6, 7
,
Rybkin A G
6, 7
,
NEKRASOV I. A.
3
,
Nekrasov Igor A.
3
,
Pudalov V.M.
1, 8
2
3
4
Publication type: Journal Article
Publication date: 2019-11-27
Journal:
Physical Review B
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Abstract
We report comprehensive study of physical properties of the binary superconductor compound SnAs. The electronic band structure of SnAs was investigated using both angle-resolved photoemission spectroscopy (ARPES) in a wide binding energy range and density functional theory (DFT) within generalized gradient approximation (GGA). The DFT/GGA calculations were done including spin-orbit coupling for both bulk and (111) slab crystal structures. Comparison of the DFT/GGA band dispersions with ARPES data shows that (111) slab much better describes ARPES data than just bulk bands. Superconducting properties of SnAs were studied experimentally by specific heat, magnetic susceptibility, magnetotransport measurements and Andreev reflection spectroscopy. Temperature dependences of the superconducting gap and of the specific heat were found to be well consistent with those expected for the single band BCS superconductors with an isotropic s-wave order parameter. Despite spin-orbit coupling is present in SnAs, our data shows no signatures of a potential unconventional superconductivity, and the characteristic BCS ratio $2\Delta/T_c = 3.48 - 3.73$ is very close to the BCS value in the weak coupling limit.
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1 publication, 7.14%
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1 publication, 7.14%
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1 publication, 7.14%
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1 publication, 7.14%
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1 publication, 7.14%
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Citations by publishers
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6
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IOP Publishing
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6 publications, 42.86%
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Elsevier
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3 publications, 21.43%
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American Physical Society (APS)
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2 publications, 14.29%
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Springer Nature
|
Springer Nature
1 publication, 7.14%
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Pleiades Publishing
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Pleiades Publishing
1 publication, 7.14%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 7.14%
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1
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5
6
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Bezotosnyi P. I. et al. Electronic band structure and superconducting properties of SnAs // Physical Review B. 2019. Vol. 100. No. 18. 184514
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Bezotosnyi P. I., Dmitrieva K. A., Sadakov A. V., Sadakov A., Pervakov K., Muratov A. V., Usol'tsev A., Tsvetkov A., Gavrilkin S., Pavlov N., Pavlov N. S., Slobodchikov A. A., Slobodchikov A. A., Vilkov O. Yu., Vilkov O. Y., Rybkin A. G., Rybkin A. G., NEKRASOV I. A., Nekrasov I. A., Pudalov V. Electronic band structure and superconducting properties of SnAs // Physical Review B. 2019. Vol. 100. No. 18. 184514
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TY - JOUR
DO - 10.1103/PhysRevB.100.184514
UR - https://doi.org/10.1103%2FPhysRevB.100.184514
TI - Electronic band structure and superconducting properties of SnAs
T2 - Physical Review B
AU - Bezotosnyi, P. I.
AU - Dmitrieva, K. A.
AU - Sadakov, A. V.
AU - Pervakov, K.S.
AU - Muratov, A. V.
AU - Usol'tsev, A.S.
AU - Tsvetkov, A.Yu.
AU - Gavrilkin, S.Yu.
AU - Pavlov, N.S.
AU - Slobodchikov, A A
AU - Vilkov, O Yu
AU - Rybkin, A G
AU - NEKRASOV, I. A.
AU - Pudalov, V.M.
AU - Sadakov, A.V.
AU - Pavlov, N. S.
AU - Slobodchikov, A. A.
AU - Vilkov, O. Yu.
AU - Rybkin, Artem G.
AU - Nekrasov, Igor A.
PY - 2019
DA - 2019/11/27 00:00:00
PB - American Physical Society (APS)
IS - 18
VL - 100
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
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@article{2019_Bezotosnyi,
author = {P. I. Bezotosnyi and K. A. Dmitrieva and A. V. Sadakov and K.S. Pervakov and A. V. Muratov and A.S. Usol'tsev and A.Yu. Tsvetkov and S.Yu. Gavrilkin and N.S. Pavlov and A A Slobodchikov and O Yu Vilkov and A G Rybkin and I. A. NEKRASOV and V.M. Pudalov and A.V. Sadakov and N. S. Pavlov and A. A. Slobodchikov and O. Yu. Vilkov and Artem G. Rybkin and Igor A. Nekrasov},
title = {Electronic band structure and superconducting properties of SnAs},
journal = {Physical Review B},
year = {2019},
volume = {100},
publisher = {American Physical Society (APS)},
month = {nov},
url = {https://doi.org/10.1103%2FPhysRevB.100.184514},
number = {18},
doi = {10.1103/PhysRevB.100.184514}
}