Pressure effects on superconductivity in EuSr 2 Bi 2 S 2.5 Se 1.5 F 4 at 1 K

Abstract We performed electrical resistivity and X-ray diffraction measurements on the BiS 2 -based compound, EuSr 2 Bi 2 S 2.5 Se 1.5 F 4 , under high pressure using cubic and diamond anvil cells, respectively. We have also measured electrical resistivity at low temperatures and ambient pressures....

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Published inJapanese Journal of Applied Physics Vol. 63; no. 10; p. 100901
Main Authors Ishigaki, Kento, Gouchi, Jun, Torizuka, Kiyoshi, Arumugam, Sonachalam, Ganguli, Ashok Kumar, Haque, Zeba, Ganesan, Kalaiselven, Thakur, Gohil Singh, Uwatoko, Yoshiya
Format Journal Article
LanguageEnglish
Published 01.10.2024
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Summary:Abstract We performed electrical resistivity and X-ray diffraction measurements on the BiS 2 -based compound, EuSr 2 Bi 2 S 2.5 Se 1.5 F 4 , under high pressure using cubic and diamond anvil cells, respectively. We have also measured electrical resistivity at low temperatures and ambient pressures. The superconducting transition temperature ( T c ) was 1.13 K at ambient pressure and EuSr 2 Bi 2 S 2.5 Se 1.5 F 4 was found to behave like a superconductor. Upon the application of increased pressure, T c increased and then decreased again, which was attributed to the structural phase transitions that accompany increased pressure in EuSr 2 Bi 2 S 2.5 Se 1.5 F 4 superconductors.
ISSN:0021-4922
1347-4065
DOI:10.35848/1347-4065/ad7216