BI-SR-CA-CU-O/CA2CUO3 COMPOSITES

被引：7
|
作者：
PHILLIPS, JM
KRAUSE, S
LANAGAN, MT
OLSON, RA
SHARPE, PR
RAY, ML
DORRIS, SE
GORETTA, KC
机构：
[1] Materials and Components Technology Division, Argonne National Laboratory, Argonne
来源：
MATERIALS LETTERS | 1991年 / 11卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0167-577X(91)90180-E
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ca2CuO3 and Sr2CuO3 were examined for use as insulators with Bi-Sr-Ca-Cu-O superconductors. Only Ca2CuO3 could be successfully synthesized and sintered; the sintering required a slightly higher temperature than that required for the 85 K phase in the Bi-Sr-Ca-Cu-O system. Ca2CuO3 and the 85 K Bi-Sr-Ca-Cu-O phase have nearly equal thermal expansion coefficients and can be cofired into monolithic forms. Ca2CuO3 is a highly conductive semiconductor at room temperature. Ca2CuO3 is highly hygroscopic and exposure to moisture can reduce its conductivity by up to three orders of magnitude.
引用
收藏
页码：10 / 14
页数：5
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