Superconductivity induced by hydrostatic pressure effect in LaO0.5F0.5Bi(S0.9Se0.1)2
Electrical resistivity of LaO0.5F0.5Bi(S0.9Se0.1)2 have been measured at a temperature range of 2.8 ∼ 300 K by applying several hydrostatic pressures. Pressure-induced superconducting phase was observed above a pressure P of 0.85 GPa and Tc increased from 2.86 K to 8.42 K. The sudden increase of Tc...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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AIP Publishing LLC
2018-10-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/1.5043122 |
| _version_ | 1818675916955451392 |
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| author | Katsuo Kondo Naoki Kase Shigefumi Watanabe Nobuaki Miyakawa |
| author_facet | Katsuo Kondo Naoki Kase Shigefumi Watanabe Nobuaki Miyakawa |
| author_sort | Katsuo Kondo |
| collection | DOAJ |
| description | Electrical resistivity of LaO0.5F0.5Bi(S0.9Se0.1)2 have been measured at a temperature range of 2.8 ∼ 300 K by applying several hydrostatic pressures. Pressure-induced superconducting phase was observed above a pressure P of 0.85 GPa and Tc increased from 2.86 K to 8.42 K. The sudden increase of Tc in LaO0.5F0.5Bi(S0.9Se0.1)2 results from the structural phase transition from tetragonal (P4/nmm) to monoclinic (P21/m). Structural phase transition pressure Pc of LaO0.5F0.5Bi(S0.9Se0.1)2 is higher than that of LaO0.5F0.5BiS2. The increase of Pc is ascribed to the suppression of the displacement parameter of the in-plane chalcogen site induced by chemical pressure of Se-substitution. |
| first_indexed | 2024-12-17T08:35:11Z |
| format | Article |
| id | doaj.art-7000a9d3cbd448e1afe673bc71663bbb |
| institution | Directory Open Access Journal |
| issn | 2158-3226 |
| language | English |
| last_indexed | 2024-12-17T08:35:11Z |
| publishDate | 2018-10-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj.art-7000a9d3cbd448e1afe673bc71663bbb2022-12-21T21:56:30ZengAIP Publishing LLCAIP Advances2158-32262018-10-01810101325101325-410.1063/1.5043122047893ADVSuperconductivity induced by hydrostatic pressure effect in LaO0.5F0.5Bi(S0.9Se0.1)2Katsuo Kondo0Naoki Kase1Shigefumi Watanabe2Nobuaki Miyakawa3Department of Applied Physics, Tokyo University of Science, Tokyo 125-8585, JapanDepartment of Applied Physics, Tokyo University of Science, Tokyo 125-8585, JapanDepartment of Applied Physics, Tokyo University of Science, Tokyo 125-8585, JapanDepartment of Applied Physics, Tokyo University of Science, Tokyo 125-8585, JapanElectrical resistivity of LaO0.5F0.5Bi(S0.9Se0.1)2 have been measured at a temperature range of 2.8 ∼ 300 K by applying several hydrostatic pressures. Pressure-induced superconducting phase was observed above a pressure P of 0.85 GPa and Tc increased from 2.86 K to 8.42 K. The sudden increase of Tc in LaO0.5F0.5Bi(S0.9Se0.1)2 results from the structural phase transition from tetragonal (P4/nmm) to monoclinic (P21/m). Structural phase transition pressure Pc of LaO0.5F0.5Bi(S0.9Se0.1)2 is higher than that of LaO0.5F0.5BiS2. The increase of Pc is ascribed to the suppression of the displacement parameter of the in-plane chalcogen site induced by chemical pressure of Se-substitution.http://dx.doi.org/10.1063/1.5043122 |
| spellingShingle | Katsuo Kondo Naoki Kase Shigefumi Watanabe Nobuaki Miyakawa Superconductivity induced by hydrostatic pressure effect in LaO0.5F0.5Bi(S0.9Se0.1)2 AIP Advances |
| title | Superconductivity induced by hydrostatic pressure effect in LaO0.5F0.5Bi(S0.9Se0.1)2 |
| title_full | Superconductivity induced by hydrostatic pressure effect in LaO0.5F0.5Bi(S0.9Se0.1)2 |
| title_fullStr | Superconductivity induced by hydrostatic pressure effect in LaO0.5F0.5Bi(S0.9Se0.1)2 |
| title_full_unstemmed | Superconductivity induced by hydrostatic pressure effect in LaO0.5F0.5Bi(S0.9Se0.1)2 |
| title_short | Superconductivity induced by hydrostatic pressure effect in LaO0.5F0.5Bi(S0.9Se0.1)2 |
| title_sort | superconductivity induced by hydrostatic pressure effect in lao0 5f0 5bi s0 9se0 1 2 |
| url | http://dx.doi.org/10.1063/1.5043122 |
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