Superconductivity in Perovskite Ba 1−x K x Bi 0.30 Pb 0.70 O 3−δ | Zendy

Ma Xing | Zendy; Firdous Attia | Zendy; Zhang Lei | Zendy; Wu Shijie | Zendy; Zhang Jianxiang | Zendy; Liu Laijun | Zendy; Wang Yan | Zendy; Geng Jinling | Zendy; Sun Junliang | Zendy; Li Guobao | Zendy; Liao Fuhui | Zendy; Lin Jianhua | Zendy

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Superconductivity in Perovskite Ba 1−x K x Bi 0.30 Pb 0.70 O 3−δ

Author(s) -

Ma Xing,

Firdous Attia,

Zhang Lei,

Wu Shijie,

Zhang Jianxiang,

Liu Laijun,

Wang Yan,

Geng Jinling,

Sun Junliang,

Li Guobao,

Liao Fuhui,

Lin Jianhua

Publication year - 2019

Publication title -

chemistryselect

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 34

ISSN - 2365-6549

DOI - 10.1002/slct.201900093

Subject(s) - bismuth , electrical resistivity and conductivity , superconductivity , perovskite (structure) , solid solution , crystallography , materials science , high temperature superconductivity , analytical chemistry (journal) , mineralogy , chemistry , physics , condensed matter physics , metallurgy , chromatography , quantum mechanics

Perovskites Ba 1−x K x Bi 0.30 Pb 0.70 O 3−δ (0.0 ≤ x ≤ 0.25) have been synthesized under 660 °C. P1 space group can describe well the structure of this solid solution. The valences are +3 and +5 for bismuth, +2 and +4 for lead in these compounds. The T c zer ° (the highest temperature at which the sample shows zero electrical resistivity) of Ba 1−x K x Bi 0.30 Pb 0.70 O 3−δ first increases from 8.2 K for x=0.02 to 11.4 K for x=0.15, then decreases about to 10.4 K for x=0.25.

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