INSITU X-RAY-INVESTIGATION OF THE MELTING OF BI-SR-CA-CU-O PHASES

被引：78

作者：

POLONKA, J ^{[1
]}

XU, M ^{[1
]}

LI, Q ^{[1
]}

GOLDMAN, AI ^{[1
]}

FINNEMORE, DK ^{[1
]}

机构：

[1] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS & ASTRON,AMES,IA 50011

来源：

APPLIED PHYSICS LETTERS | 1991年 / 59卷 / 27期

关键词：

D O I：

10.1063/1.105605

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

High-temperature x-ray studies of the melting of Bi2Sr2Ca1Cu2O8-delta/Ag composites have been undertaken in order to determine the factors that control the melting temperature and the various phases that form during the melt-processing part of the fabrication of these conductors. During the melting process, three distinct phases form and then dissolve in the Bi-rich liquid: first (Sr,Ca)1Cu1O2, then (Sr,Ca)2Cu1O3, and finally (Sr,Ca)O. Ag suppresses the melting point about 30-degrees-C and as much as 10% Ag can dissolve in the Bi-rich liquid. A slight Bi excess also decreases the temperature where the Bi2Sr2Ca1Cu2O8-delta structure disappears and liquid forms.

引用

页码：3640 / 3642

页数：3

共 8 条

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