FORMATION OF (CA1-XSRX)2PBO4 IN BI(PB)-SR-CA-CU-O SYSTEM - CORRELATION WITH THE FORMATION OF THE 2223 HIGH-TC PHASE

被引：12
|
作者：
SHILOH, M
WOOD, I
BROWN, M
BEECH, F
BOYD, IW
机构：
[1] Department of Electronic and Electrical Engineering, University College London, London WC1E 7JE, Torrington Place
来源：
JOURNAL OF APPLIED PHYSICS | 1990年 / 68卷 / 05期
关键词：
D O I：
10.1063/1.346535
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
X-ray diffraction data of Bi1.4Pb0.6Sr 2Ca2Cu3.6O10+x samples show a sharp change near the annealing temperature of 845 °C. Below this temperature a solid solution of (Ca0.867Sr0.133)2PbO 4 is formed and prolonged annealing leads to transformation of the 2212 phase to the 2223 phase. Above this temperature, Ca2PbO 4 is formed, and prolonged annealing leads to an irreversible transformation of both the 2212 phase and the 2223 phase to the 2201 phase.
引用
收藏
页码：2304 / 2307
页数：4
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