INVESTIGATIONS ON BI-SR-CA-CU-O GLASSES - THERMAL, MAGNETIC, AND TRANSPORT-PROPERTIES

被引：8

作者：

RAO, KJ ^{[1
]}

RAGHAVAN, SL ^{[1
]}

机构：

[1] INDIAN INST SCI,MAT RES CTR,BANGALORE 560012,KARNATAKA,INDIA

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 1994年 / 111卷 / 01期

关键词：

D O I：

10.1006/jssc.1994.1216

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Glasses of composition Bi2Sr2CaCunO6+n (n = 2 to 5) have been prepared by the melt quenching technique. Thermal, electrical, and magnetic properties of these glasses have been examined. Electrical conductivities suggest the validity of the multiphonon assisted hopping model. Susceptibilities indicate weak antiferromagnetic coupling. However, the electron spin resonance (ESR) studies suggest a large proportion of spins to be ESR inactive. A structural model of the glasses has been proposed that considers both Bi2O3 and CuO as glass formers. It is shown that the properties of the glasses investigated in this work are consistent with the model. (C) 1994 Academic Press, Inc.

引用

页码：190 / 196

页数：7

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