Pressure-Induced Superconductivity in BiS2-based EuFBiS2
Kouji Suzuki, Masashi Tanaka, Saleem James Denholme, Masaya Fujioka,, Takahide Yamaguchi, Hiroyuki Takeya, Yoshihiko Takano
TL;DR
This study demonstrates that applying high pressure to EuFBiS2 induces a transition from insulator to superconductor, with superconductivity emerging above 0.7 GPa and Tc reaching 8.6 K at 1.8 GPa.
Contribution
First observation of pressure-induced superconductivity in EuFBiS2, revealing pressure as a tuning parameter for superconductivity in BiS2-based compounds.
Findings
Superconductivity appears above 0.7 GPa.
Tc reaches approximately 8.6 K at 1.8 GPa.
Pressure induces insulator-metal transition.
Abstract
We measured the electrical resistivity of a BiS2-based compound EuFBiS2 under high pressure. Polycrystalline EuFBiS2 shows insulator-metal transition and pressure-induced superconductivity above 0.7 GPa. The superconducting transition temperature increases with increasing applied pressure and shows the maximum value around 8.6 K at 1.8 GPa.
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