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High-temperature superconductivity in compressed solid silane.


ABSTRACT: Crystal structures of silane have been extensively investigated using ab initio evolutionary simulation methods at high pressures. Two metallic structures with P2₁/c and C2/m symmetries are found stable above 383 GPa. The superconductivities of metallic phases are fully explored under BCS theory, including the reported C2/c one. Perturbative linear-response calculations for C2/m silane at 610 GPa reveal a high superconducting critical temperature that beyond the order of 10(2) K.

SUBMITTER: Zhang H 

PROVIDER: S-EPMC4352889 | biostudies-literature | 2015 Mar

REPOSITORIES: biostudies-literature

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High-temperature superconductivity in compressed solid silane.

Zhang Huadi H   Jin Xilian X   Lv Yunzhou Y   Zhuang Quan Q   Liu Yunxian Y   Lv Qianqian Q   Bao Kuo K   Li Da D   Liu Bingbing B   Cui Tian T  

Scientific reports 20150309


Crystal structures of silane have been extensively investigated using ab initio evolutionary simulation methods at high pressures. Two metallic structures with P2₁/c and C2/m symmetries are found stable above 383 GPa. The superconductivities of metallic phases are fully explored under BCS theory, including the reported C2/c one. Perturbative linear-response calculations for C2/m silane at 610 GPa reveal a high superconducting critical temperature that beyond the order of 10(2) K. ...[more]

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