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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2023, Volume 118, Issue 12, Pages 915–920
DOI: https://doi.org/10.31857/S1234567823240084
(Mi jetpl7114)
 

CONDENSED MATTER

On the character of superconductivity and topological properties of SnAs

K. A. Dmitrieva, P. I. Bezotosnyi, V. M. Pudalov

Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991 Russia
References:
Abstract: The paper describes results of the band structure measurements of SnAs single crystals by the ARPES technique. We performed detailed analysis of isoenergetic surfaces in the vicinity and below the Fermi energy. The ARPES experimental data are consistent with theoretically predicted shape of the SnAs Fermi surface. The determined type of the Fermi surface provides the basis for estimating the Ginzburg–Landau parameter, from which it follows that SnAs is a type-I superconductor. In addition, our results of ARPES measurements confirm the presence of band splitting in the energy spectrum at the $\overline {\Gamma }$ point at electron binding energies in the range of 0.6–1.2 eV associated with spin-orbit interaction.
Funding agency Grant number
Russian Foundation for Basic Research 21-52-12043
This work was supported by the Russian Foundation for Basic Research, project no. 21-52-12043.
Received: 15.11.2023
Revised: 15.11.2023
Accepted: 16.11.2023
English version:
Journal of Experimental and Theoretical Physics Letters, 2023, Volume 118, Issue 12, Pages 917–921
DOI: https://doi.org/10.1134/S0021364023603652
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: K. A. Dmitrieva, P. I. Bezotosnyi, V. M. Pudalov, “On the character of superconductivity and topological properties of SnAs”, Pis'ma v Zh. Èksper. Teoret. Fiz., 118:12 (2023), 915–920; JETP Letters, 118:12 (2023), 917–921
Citation in format AMSBIB
\Bibitem{DmiBezPud23}
\by K.~A.~Dmitrieva, P.~I.~Bezotosnyi, V.~M.~Pudalov
\paper On the character of superconductivity and topological properties of SnAs
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2023
\vol 118
\issue 12
\pages 915--920
\mathnet{http://mi.mathnet.ru/jetpl7114}
\crossref{https://doi.org/10.31857/S1234567823240084}
\edn{https://elibrary.ru/nlycfe}
\transl
\jour JETP Letters
\yr 2023
\vol 118
\issue 12
\pages 917--921
\crossref{https://doi.org/10.1134/S0021364023603652}
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