Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session T00: Poster Session III (1pm- 4pm CST)
1:00 PM,
Thursday, March 17, 2022
Room: McCormick Place Exhibit Hall F1
Abstract: T00.00144 : Time-reversal symmetry breaking and multigap superconductivity in the noncentrosymmetric superconductor, La7Ni3*
Presenter:
Arushi .
(Indian Institute of Science Education and Research, Bhopal, India)
Author:
Arushi .
(Indian Institute of Science Education and Research, Bhopal, India)
Collaboration:
Crystal Growth Lab, IISER Bhopal, India
In this regard, we have thoroughly investigated NCS, La7Ni3 belonging to the La7X3 family where the frequent occurrence of TRS breaking has been observed employing macroscopic and microscopic (muon spin rotation/relaxation) measurements. Our results establish La7Ni3 as the first member of the Th7Fe3 family displaying both time-reversal-symmetry-breaking and multigap superconductivity. Moreover, our observations hint towards the role of elemental "La" in inducing the TRS breaking. Theoretical analysis also suggests two possible TRS broken pairing states.
*NA
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