STRUCTURE AND PROPERTIES OF NONCONVENTIONAL GLASSES IN THE BINARY BISMUTH CUPRATE SYSTEM

被引：104

作者：

HAZRA, S

GHOSH, A

机构：

[1] Solid State Physics Department, Indian Association for the Cultivation of Science

来源：

PHYSICAL REVIEW B | 1995年 / 51卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.51.851

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The glass structure and physical properties are reported for the nonconventional binary bismuth cuprate glasses of compositions (CuO)x(Bi2O3)100-x, for x=27-70 mol %, prepared by the roller-quenching technique. It has been observed that stable glasses with nearly the same topology can be obtained in this system for a larger composition range compared to the multicomponent bismuth cuprate glasses. The network structure is built up of [BiO3] pyramidal units. The strength and connectivity of the glassy network increase at nearly equimolar glass composition. The nearly equimolar glass composition crystallizes to tetragonal Bi2CuO4 crystal. The appearance of hyperfine structure in the ESR line shapes for the glass compositions with high CuO content is not clear at this moment. © 1995 The American Physical Society.

引用

页码：851 / 856

页数：6

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