(BI,PB)2(SR,LN)2CUO6 (LN = LA,PR,ND) - NEW SUPERCONDUCTING CUPRATES RELATED TO BI2SR2CUO6+Y

被引：3
|
作者：
MANIVANNAN, V
VASANTHACHARYA, NY
GOPALAKRISHNAN, J
机构：
[1] Solid State and Structural Chemistry Unit Indian Institute of Science Bangalore
来源：
MATERIALS RESEARCH BULLETIN | 1991年 / 26卷 / 05期
关键词：
SUPERCONDUCTORS; BISMUTH; STRONTIUM; RARE-EARTH; COPPER OXIDES;
D O I：
10.1016/0025-5408(91)90048-Q
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new series of BiPb-cuprates of the formula BiPbSrLnCuO6 (Ln = La, Pr, Nd), which are isotypic with the superconducting Bi-cuprate, Bi2Sr2CuO6+y, has been prepared. The new BiPb-cuprates are nonsuperconducting, but when doped with holes by replacing part of Ln with Sr, superconducting cuprates of the formula BiPbSr(1+x)Ln(1-x)CuO6 showing a maximum T(c) of 25K for Ln = La at x = 0.25 are obtained. Unlike the Bi-cuprates, the parent and the superconducting BiPb-cuprates are free from the structural modulation.
引用
收藏
页码：349 / 355
页数：7
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