PREPARATION OF UNLEADED BI2SR2CA2CU3O10

被引:41
作者
MAJEWSKY, P [1 ]
HETTICH, B [1 ]
SCHULZE, K [1 ]
PETZOW, G [1 ]
机构
[1] HOECHST AG, MAT FORSCH, W-6230 FRANKFURT 80, GERMANY
关键词
D O I
10.1002/adma.19910031006
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Communication: The 2223 single-phase region in the Bi2O3-SrO-CaO-CuO system has been defined, enabling the preparation of pure (> 90%), unleaded Bi2Sr2Ca2Cu3O10. The bismuth content of the superconductor, which is better suited for research than the leaded variety, is found to be significantly higher (at 2.5) than expected from the exact stoichiometry. The preparation conditions and the phase diagram are discussed.
引用
收藏
页码:488 / 491
页数:4
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