AI Article Synopsis
- *Superconductivity confirmed through specific heat measurements, aligning with the weak-coupling Bardeen-Cooper-Schrieffer model.
- *Dominant mechanism for the upper critical field is orbital pair-breaking, indicating minimal impact of antisymmetric spin-orbit coupling from the chiral crystal structure on superconductivity.*
Article Abstract
We report the observation of superconductivity in (PtIr)Zr with a chiral space group (622) at low temperatures. The bulk nature of the superconductivity at a transition temperature of 2.2 K was confirmed using specific heat measurements. We revealed that (PtIr)Zr obeys the weak-coupling Bardeen-Cooper-Schrieffer model, and the dominant mechanism in the upper critical field is the orbital pair-breaking limit rather than the Pauli-Clogston limit. This indicates that the antisymmetric spin-orbit coupling caused by the chiral crystal structure does not significantly affect the superconductivity of (PtIr)Zr.
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| http://dx.doi.org/10.1021/jacs.3c10797 | DOI Listing |
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