Superconductivity in Bismuth Pyrochlore Lattice Compounds RbBi2 and CsBi2: The Role of Relativistic Effects

Sylwia Gutowska; Bartlomiej Wiendlocha; Tomasz Klimczuk; Michał Jerzy Winiarski

doi:10.1021/acs.jpcc.3c02176

Superconductivity in Bismuth Pyrochlore Lattice Compounds RbBi2 and CsBi2: The Role of Relativistic Effects

Abstract

Superconducting properties of two bismuthide intermetallic compounds, RbBi2 and CsBi2, were studied by means of experimental measurements and ab initio calculations. We show that in both compounds, the superconductivity emerges from the pyrochlore Bi lattice and its formation is heavily influenced by relativistic effects. Based on our analysis of the effect of spin–orbit coupling on the electron–phonon coupling, we suggest a possible criterion for finding new superconducting materials by looking for structures featuring relativistically stabilized hypervalent networks of heavy p-block elements.

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Authors (4)

Sylwia Gutowska
- AGH University of Science and Technology
Bartlomiej Wiendlocha
- AGH University of Science and Technology
Tomasz Klimczuk prof. dr hab. inż.
Michał Jerzy Winiarski (formerly: Michał Winiarski) dr inż.

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Articles

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artykuły w czasopismach

Published in:

Journal of Physical Chemistry C no. 127, pages 14402 - 14414,
ISSN: 1932-7447

Language:

English

Publication year:

2023

Bibliographic description:

Gutowska S., Wiendlocha B., Klimczuk T., Winiarski M.: Superconductivity in Bismuth Pyrochlore Lattice Compounds RbBi2 and CsBi2: The Role of Relativistic Effects// Journal of Physical Chemistry C -Vol. 127,iss. 29 (2023), s.14402-14414

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