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- Title
Pressure-induced Lifshitz transition in FeSe<sub>0.88</sub>S<sub>0.12</sub> probed via <sup>77</sup>Se-NMR.
- Authors
Kuwayama, T.; Matsuura, K.; Mizukami, Y.; Kasahara, S.; Matsuda, Y.; Shibauchi, T.; Uwatoko, Y.; Fujiwara, N.
- Abstract
Recently, FeSe1-xSx systems have received much attention because of the unique pressure-temperature phase diagram. We performed 77Se-NMR measurements on a single crystal of FeSe0.88S0.12 to investigate its microscopic properties. The shift of 77Se 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 uctuation simultaneously changes its properties, which implies a change in the dominant nesting vector.
- Subjects
FERMI surfaces; SINGLE crystals; PHASE diagrams
- Publication
Papers in Physics, 2019, Vol 11, p1
- ISSN
1852-4249
- Publication type
Article
- DOI
10.4279/PIP.110003