PREPARATION AND PROPERTIES OF SUPERCONDUCTING COPPER OXIDES (PB, CU)(SR, BA)2(Y, CA)CU2OZ

被引：3
|
作者：
ONO, A
UCHIDA, Y
TAKENOUCHI, S
机构：
[1] National Institute for Research in Inorganic Materials, Tsukuba, Ibaraki, 305, Namiki
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1990年 / 29卷 / 07期
关键词：
(Pb; cu)(sr; ba)[!sub]2[!/sub](y; ca)cu[!sub]2[!/sub]o[!sub]7[!/sub; Effect of oxygen concentration; Substitution of y by ca; Superconducting copper oxide;
D O I：
10.1143/JJAP.29.L1086
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Single-phase samples of the new superconductor (Pb, Cu)(Sr, Ba)2(Y, Ca)Cu2Oz (1212 phase) were prepared at 920°C in air, and the solubility limits of Pb, Ba and Ca in the 1212 phase were studied. For three single-phase samples and one almost-single-phase sample, the Tc's were determined by the ac susceptibility. It is found that the Tc depends on the oxygen and Ca contents of the 1212 phase. © 1990 The Japan Society of Applied Physics.
引用
收藏
页码：L1086 / L1088
页数：3
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