Structural and magnetic properties of CuO-TeO2-B2O3-SrO glasses

被引：26

作者：

Ardelean, I ^{[1
]}

Peteanu, M ^{[1
]}

Simon, V ^{[1
]}

Cozar, O ^{[1
]}

Ciorcas, F ^{[1
]}

Lupsor, S ^{[1
]}

机构：

[1] Univ Babes Bolyai, Fac Phys, R-3400 Cluj Napoca, Romania

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1999年 / 196卷

关键词：

magnetic properties; oxide glasses; copper ions;

D O I：

10.1016/S0304-8853(98)00797-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Glasses of the system 70TeO(2). 25B(2)O(3). 5SrO doped with CuO up to 20 mol% were investigated. Mixed valence states (Cu2+ and Cu+) of copper ions were revealed. Depending on CuO concentration, Cu2+ are distributed as isolated ions in axially distorted octahedral symmetric sites, or associated in clusters. The magnetic behaviour of the studied glasses was interpreted in terms of dipole-dipole interactions. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：253 / 254

页数：2

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