EFFECT OF CA2PBO4 ADDITIONS ON THE FORMATION OF THE 110-K PHASE IN BI-PB-SR-CA-CU-O SUPERCONDUCTING CERAMICS

被引：51
|
作者：
CHEN, FH
KOO, HS
TSENG, TY
机构：
[1] Institute of Electronics, National Chiao-Tung University, Hsinchu
来源：
APPLIED PHYSICS LETTERS | 1991年 / 58卷 / 06期
关键词：
D O I：
10.1063/1.104553
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The growth of the Bi2Sr2Ca2Cu3O(x) phase in the high T(c) superconducting Bi-Pb-Sr-Ca-Cu-O system through reacting Bi2Sr2CaCu2O(x) with Ca- or Cu-rich intermediate phases, Ca2CuO3, CuO, and Ca2PbO4, has been studied. X-ray diffraction and electrical and diamagnetic analyses revealed that the interaction and interdiffusion of these intermediate phase led to the formation of a high percentage of the 2223 phase and a sharp single-step superconducting transition at T(c)(R = 0) = 108 K. Also, Ca2PbO4 proved essential for accelerating the growth rate of the 110 K phase from the 85 K phase.
引用
收藏
页码：637 / 639
页数：3
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