Pressure-induced multicriticality and electronic instability in the quasi-kagome ferromagnet URhSn

Arvind Maurya, Dilip Bhoi, Fuminori Honda, Yusei Shimizu, Ai Nakamura, Yoshiki J. Sato, Dexin Li, Yoshiya Homma, M. Sathiskumar, Jun Gouchi, Yoshiya Uwatoko, Dai Aoki

Research output: Contribution to journalArticlepeer-review

Abstract

We report an unconventional class of pressure-induced quantum phase transitions, possessing two bicritical points at 6.25 GPa in URhSn. This unique transformation accompanies a Fermi surface reconstruction, demarcating competing ordered phases suitably described with a localized and itinerant description of the magnetic 5f electrons. Ferromagnetic fluctuations over a wide range of temperatures and pressures in the pressure-induced low temperature phase are evidenced by a robust T5/3 temperature dependence of resistivity up to 11 GPa, which is a characteristic of an elusive marginal Fermi-liquid state.

Original languageEnglish
Article number195119
JournalPhysical Review B
Volume104
Issue number19
DOIs
Publication statusPublished - 2021 Nov 15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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