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    Superconducting material and method for preparing the same (Sr, .gamma.).sub.x (La, .delta.).sub.1-x .epsilon..sub.y Cu.sub.1-y O.sub.3-z
    8.
    发明授权
    Superconducting material and method for preparing the same (Sr, .gamma.).sub.x (La, .delta.).sub.1-x .epsilon..sub.y Cu.sub.1-y O.sub.3-z 失效
    超导材料及其制备方法（Sr，γ）x（La，δ）1-xεyCu1-yO3-z

    公开(公告)号：US5189011A

    公开(公告)日：1993-02-23

    申请号：US815576

    申请日：1991-12-27

    申请人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

    发明人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

    IPC分类号： H01L39/12 ,  H01L39/24

    CPC分类号： H01L39/126 ,  H01L39/2419 ,  Y10S505/782

    摘要： A now superconducting material comprising a compound oxide represented by the general formula:(Sr,.gamma.).sub.x (La,.delta.).sub.1-x .epsilon..sub.y Cu.sub.1-y O.sub.3-zin which".gamma." represents an element of IIa group of the periodic table except Sr, an atomic ratio of .gamma. to Sr being selected in a range between 1% and 90%,".delta." represents an element of IIIa group of the periodic except La, an atomic ratio of .delta. to La is selected in a range between 1% and 90%,".epsilon." represents a metal element of Vb group of the periodic table, x, y and z are numbers each satisfies ranges of 0.ltoreq.x.ltoreq.1,0.ltoreq.y.ltoreq.1, and 0.ltoreq.z.ltoreq.1 respectively, and the expression of (Sr,.gamma.) and (La,.delta.) mean that the respective elements position predetermined sites in a crystal in a predetermined proportion.

    摘要翻译： 一种现在的超导材料，其包含由以下通式表示的复合氧化物：（Sr，γ）x（La，δ）1-xεyCu1-yO3-z，其中“γ”表示周期表的IIa族元素， Sr，γ至Sr的原子比在1％至90％的范围内选择，“delta”表示除了La之外的周期性IIIa族的元素，Δ与La的原子比选择在1 ％和90％，“ε”表示周期表的Vb族的金属元素，x，y和z分别为0≤x≤0.0的范围。 ，和（z，γ）和（La，δ）的表达意味着各元素以预定比例将晶体中的预定位置定位。