MICROSTRUCTURES AND THE ROLE OF PB IN DOPED BI-SR-CA-CU-O SUPERCONDUCTOR

被引：13
|
作者：
UPADHYAY, PL
RAO, SUM
NAGPAL, KC
SHARMA, RG
机构：
[1] National Physical Laboratory, New Delhi, 110012, Dr.K.S., Krishnan Road
来源：
MATERIALS RESEARCH BULLETIN | 1992年 / 27卷 / 01期
关键词：
BISMUTH; LEAD; CUPRATE; SUPERCONDUCTOR;
D O I：
10.1016/0025-5408(92)90048-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is widely being accepted that Pb-addition enhances the stability and promotes single-phase formation of the high T(c) (2223) phase in the Bi-family of cuprate superconductors, and yet, the exact mechanism by which it takes place remains a subject to be explored. This paper discusses the nucleation and growth processes of the low and high T(c) phases of the above system which lead to the identification of an important role of Pb. The analysis is based on microstructural and XRD studies carried out on un-doped and Pb-doped samples of Bi-Sr-Ca-Cu-O.
引用
收藏
页码：109 / 116
页数：8
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