EQUILIBRIUM PHASE-DIAGRAMS FOR THE SYSTEMS PBO-SRO-CUO AND PBO-CAO-SRO

被引：37

作者：

KITAGUCHI, H

TAKADA, J

ODA, K

MIURA, Y

机构：

[1] Department of Applied Chemistry, Faculty of Engineering, Okayama University

来源：

JOURNAL OF MATERIALS RESEARCH | 1990年 / 5卷 / 07期

关键词：

D O I：

10.1557/JMR.1990.1397

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In order to obtain essential information on the formation process of the high-Tc phase in the Bi, Pb-Sr-Ca-Cu-O system, subsolidus phase equilibrium in the systems PbO(PbO2)-SrO-CuO and PbO(PbO2)-CaO-SrO has been studied, mainly by XRD analysis. A pseudoternary Pb-Sr-Cu-O solid solution was newly found. This solid solution has a wide solubility range including its typical composition Pb2.03Sr3Cu0.73O7.70. It has a hexagonal structure with lattice parameters a = 10.11 and c = 7.11 in AU. Composition dependences of the lattice parameters and the decomposition (incongruent melting) temperature of (Ca1_xSrx)2PbO4solid solution are also reported. © 1990, Materials Research Society. All rights reserved.

引用

页码：1397 / 1402

页数：6

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