Pressure-induced lifshitz transition in fese0:88s0:12 probed via77se-NMR

T. Kuwayama, K. Matsuura, Y. Mizukami, S. Kasahara, Y. Matsuda, T. Shibauchi, Y. Uwatoko, N. Fujiwara

Research output: Contribution to journalArticlepeer-review

Abstract

Recently, FeSe1-xSx systems have received much attention because of the unique pressure-temperature phase diagram. We performed77Se-NMR measurements on a single crystal of FeSe0.88S0.12 to investigate its microscopic properties. The shift of77Se spectra exhibits anomalous enhancement at 1.0 GPa, suggesting a topological change in the Fermi surfaces, the so-called Lifshitz transition, occurs at 1.0 GPa. The magnetic fluctuation simultaneously changes its properties, which implies a change in the dominant nesting vector.

Original languageEnglish
Article number110003
JournalPapers in Physics
Volume11
DOIs
Publication statusPublished - 2019
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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