Open Access
Re1−xMox as an ideal test case of time-reversal symmetry breaking in unconventional superconductors
Tian Shang
1
,
Christopher Baines
2
,
Lieh Jeng Chang
3
,
Dariusz Gawryluk
1
,
Ekaterina Pomjakushina
1
,
Ming Shi
4
,
Marisa Medarde
1
,
Toni Shiroka
2, 5
1
Publication type: Journal Article
Publication date: 2020-10-30
scimago Q1
wos Q1
SJR: 2.166
CiteScore: 10.3
Impact factor: 6.2
ISSN: 23974648
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
Non-centrosymmetric superconductors (NCSCs) are promising candidates in the search for unconventional and topological superconductivity. The α-Mn-type rhenium-based alloys represent excellent examples of NCSCs, where spontaneous magnetic fields, peculiar to time-reversal symmetry (TRS) breaking, have been shown to develop in the superconducting phase. By converse, TRS is preserved in many other isostructural NCSCs, thus leaving the key question about its origin fully open. Here, we consider the superconducting Re1−xMox (0 ≤ x ≤ 1) family, which comprises both centro- and non-centrosymmetric structures and includes also two extra superconducting phases, β-CrFe and bcc-W. Muon-spin relaxation and rotation (μSR) measurements show a gradual increase of the relaxation rate below Tc, yet its independence of the crystal structure, suggesting that rhenium presence and its amount are among the key factors for the appearance and the extent of TRS breaking in the α-Mn-type NCSCs. The reported results propose Re1−xMox as an ideal test case for investigating TRS breaking in unconventional superconductors.
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Total citations:
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Citations from 2024:
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(25%)
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Shang T. et al. Re1−xMox as an ideal test case of time-reversal symmetry breaking in unconventional superconductors // npj Quantum Materials. 2020. Vol. 5. No. 1. 76
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Shang T., Baines C., Chang L. J., Gawryluk D., Pomjakushina E., Shi M., Medarde M., Shiroka T. Re1−xMox as an ideal test case of time-reversal symmetry breaking in unconventional superconductors // npj Quantum Materials. 2020. Vol. 5. No. 1. 76
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RIS
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TY - JOUR
DO - 10.1038/s41535-020-00279-1
UR - https://doi.org/10.1038/s41535-020-00279-1
TI - Re1−xMox as an ideal test case of time-reversal symmetry breaking in unconventional superconductors
T2 - npj Quantum Materials
AU - Shang, Tian
AU - Baines, Christopher
AU - Chang, Lieh Jeng
AU - Gawryluk, Dariusz
AU - Pomjakushina, Ekaterina
AU - Shi, Ming
AU - Medarde, Marisa
AU - Shiroka, Toni
PY - 2020
DA - 2020/10/30
PB - Springer Nature
IS - 1
VL - 5
SN - 2397-4648
ER -
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BibTex (up to 50 authors)
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@article{2020_Shang,
author = {Tian Shang and Christopher Baines and Lieh Jeng Chang and Dariusz Gawryluk and Ekaterina Pomjakushina and Ming Shi and Marisa Medarde and Toni Shiroka},
title = {Re1−xMox as an ideal test case of time-reversal symmetry breaking in unconventional superconductors},
journal = {npj Quantum Materials},
year = {2020},
volume = {5},
publisher = {Springer Nature},
month = {oct},
url = {https://doi.org/10.1038/s41535-020-00279-1},
number = {1},
pages = {76},
doi = {10.1038/s41535-020-00279-1}
}