EPR and magnetic investigations of copper ions in 2B2O3 • AS2O3 glass matrix

被引：14
|
作者：
Ardelean, I
Ciceo-Lucacel, R
Filip, S
机构：
[1] Univ Babes Bolyai, Fac Phys, Cluj Napoca, Romania
[2] Univ Oradea, Dept Phys, Oradea 3700, Romania
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2004年 / 272卷
关键词：
oxide glasses; copper ion; local structure; magnetic properties;
D O I：
10.1016/j.jmmm.2003.12.753
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The results obtained by paramagnetic electron resonance (EPR) and magnetic susceptibility on the xCuO (.) (100-x) [2B(2)O(3) (.) As2O3] glasses with 0 < x less than or equal to 30 mol%, are reported. From the EPR absorption spectra octahedral axially distorted environments of the Cu2+ ions were detected. Both EPR and magnetical data reveals at samples with x > 15 mol% the presence of copper ions as Cu+ and Cu2+ species. No superexchange interactions between copper ions were revealed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：337 / 338
页数：2
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