公开(公告)号：US5252544A

公开(公告)日：1993-10-12

申请号：US712264

申请日：1991-06-07

申请人： Toshihiko Maeda ,  Kazuhiro Sakuyama ,  Shin-ichi Koriyama ,  Ataru Ichinose ,  Hisao Yamauchi ,  Shoji Tanaka

发明人： Toshihiko Maeda ,  Kazuhiro Sakuyama ,  Shin-ichi Koriyama ,  Ataru Ichinose ,  Hisao Yamauchi ,  Shoji Tanaka

IPC分类号： C01G3/00 ,  C01G1/00 ,  C01G21/00 ,  C04B35/45 ,  H01B12/00 ,  H01L39/12 ,  C01F11/02 ,  C01F17/00 ,  C01G3/02

CPC分类号： H01L39/126 ,  C01G21/006 ,  C04B35/45 ,  C01P2002/30 ,  C01P2002/72 ,  C01P2002/77 ,  Y10S505/778 ,  Y10S505/779

摘要： An oxide superconductor which has a composition expressed by the following general formula and whose crystal structure is 1222-phase structure.Pb.sub.a (M.sub.1-x-y Ce.sub.x Sr.sub.y).sub.4 Cu.sub.3-a O.sub.z (I)(where M represents at least one element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu, and a, x, y, and z denote the numbers which satisfy 0.3.ltoreq.a.ltoreq.0.7, 0

公开(公告)号：US5407908A

公开(公告)日：1995-04-18

申请号：US91832

申请日：1993-07-13

申请人： Toshihiko Maeda ,  Kazuhiro Sakuyama ,  Shin-ichi Koriyama ,  Ataru Ichinose ,  Hisao Yamauchi ,  Shoji Tanaka

发明人： Toshihiko Maeda ,  Kazuhiro Sakuyama ,  Shin-ichi Koriyama ,  Ataru Ichinose ,  Hisao Yamauchi ,  Shoji Tanaka

IPC分类号： C01G3/00 ,  C01G1/00 ,  C01G21/00 ,  C04B35/45 ,  H01B12/00 ,  H01L39/12

CPC分类号： H01L39/126 ,  C01G21/006 ,  C04B35/45 ,  C01P2002/30 ,  C01P2002/72 ,  C01P2002/77 ,  Y10S505/778 ,  Y10S505/779

摘要： A method for manufacturing a Pb-based Cu oxide superconductor. The method includes the steps of mixing powders of a raw material containing at least Pb, Sr, Ce, M, where M is at least one element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu, and Cu in a proportion to have the composition of the formula (I),Pb.sub.a (M.sub.1-x-y Ce.sub.x Sr.sub.y).sub.4 Cu.sub.3-a O.sub.z(I)where M is at least one element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu, and a, x, y, and z denote the numbers which satisfy 0.3.ltoreq.a.ltoreq.0.7, 0

摘要翻译： 一种Pb系Cu氧化物超导体的制造方法。 该方法包括混合至少含有Pb，Sr，Ce，M的原料的粉末的步骤，其中M是选自Y，La，Nd，Sm，Eu，Gd，Tb， Dy，Ho，Er，Yb和Lu，以及具有式（I）的组成的比例的Pba（M1-x-yCexSry）4Cu3-aOz（I），其中M是选自 由Y，La，Nd，Sm，Eu，Gd，Tb，Dy，Ho，Er，Yb和Lu组成的组，a，x，y和z表示满足0.3 < = 0.7,0

公开(公告)号：US5190914A

公开(公告)日：1993-03-02

申请号：US662457

申请日：1991-02-28

申请人： Shin-ichi Koriyama ,  Kazuhiro Sakuyama ,  Toshihiko Maeda ,  Hisao Yamauchi ,  Shoji Tanaka

发明人： Shin-ichi Koriyama ,  Kazuhiro Sakuyama ,  Toshihiko Maeda ,  Hisao Yamauchi ,  Shoji Tanaka

IPC分类号： C01G21/00 ,  C01G1/00 ,  C04B35/00 ,  C04B35/45 ,  H01B12/00 ,  H01B13/00 ,  H01L39/12 ,  H01L39/24

CPC分类号： H01L39/126 ,  Y10S505/779 ,  Y10S505/78 ,  Y10S505/781

摘要： A superconducting material is disclosed which includes oxides of metals having the following composition:(Pb.sub.1-z Cu.sub.z) ((Sr.sub.1-y Ba.sub.y).sub.1-v Ca.sub.v).sub.2 (A.sub.1-x Ca.sub.x)Cu.sub.2wherein A is at least one element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Ho, Er, Yb and mixtures of at least one of Y, La, Nd, Sm, Eu, Gd, Ho, Er and Yb with at least one of Tb, Tm and Lu, x, y, v and z are numbers satisfying the following conditions:0.ltoreq.x.ltoreq.0.4,0.1.ltoreq.y