Hydrostatic Pressure Studies on Non-Superconducting UTe2

M. O. Ajeesh, Joe D. Thompson, Eric D. Bauer, Filip Ronning, Sean M. Thomas, Priscila F.S. Rosa

Research output: Contribution to journalComment/debate

1 Scopus citations

Abstract

We report the temperature–pressure phase diagram of a UTe2 single crystal that does not undergo a bulk superconducting transition but shows filamentary superconductivity with a critical transition temperature of 1 K at ambient pressure. Electrical-resistivity measurements reveal that the evolution of the filamentary superconducting state under pressure resembles the behavior observed in previous reports on bulk superconducting samples. AC calorimetry, however, does not show evidence for either bulk superconductivity or magnetism for pressures up to 1.6 GPa. Our results highlight the role of inhomogeneity in chemical-vapor-transport-grown UTe2 samples and serve as a cautionary tale when probing electrical resistivity alone.

Original languageEnglish
Article number055001
JournalJournal of the Physical Society of Japan
Volume93
Issue number5
DOIs
StatePublished - May 2024

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