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YBa2-xSrxCu3O7-δ系统的超导电性与结构的关联

物理学报, 1988, 37(6): 1042-1047.
DOI: 10.7498/aps.37.1042
CSTR: 32037.14.aps.37.1042

THE RELATION OF SUPERCONDUCTIVITY AND STRUCTURE IN YBa2-xSrxCu3O7-δ

Acta Phys. Sin., 1988, 37(6): 1042-1047.
DOI: 10.7498/aps.37.1042
CSTR: 32037.14.aps.37.1042
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  • 摘要

    本文系统地研究了YBa2-xSrxCu3O7-δ中超导电性与物相以及结构变化之间的关系。发现当0c并不随Sr的含量而单调变化。在x=1.0处,Tc出现一峰值。同时,超导临界温度与样品的晶体结构之间呈现出强烈的相关性:随着正交性的增强(即a,b间差值的增大),Tc单调地上升。本文还就S

     

    Abstract

    The relation between superconductivity and phase structure of YBa2-xSrxCu3O7-δ system has been studied systematically. It is found that when 0c increases monotonously. The mechanism of the effect of Sr atom on Tc and superconductivity have also been discussed.

     

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