| 摘要 |
PCT No. PCT/DE89/00154 Sec. 371 Date Nov. 8, 1990 Sec. 102(e) Date Nov. 8, 1990 PCT Filed Mar. 10, 1989 PCT Pub. No. WO89/08929 PCT Pub. Date Sep. 21, 1989A high-temperature superconductor material based on the Bi-Sr-Ca-Cu-O system has the nominal composition:(Bi1-uPbu)2(Sr1-x-yCaxBiy)4Cu3O10+d (d=delta)wherein 0.01<x<0.5 0</=y<x<0.5 0</=d 0</=u. The high-temperature superconductor material has a transition temperature greater than 90 DEG K.
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