ELECTRON-PARAMAGNETIC-RESONANCE SPECTRA OF VO(2+) IONS IN ALKALI FLUOROBORATE GLASSES

被引：21

作者：

SREEDHAR, B ^{[1
]}

INDIRA, P ^{[1
]}

BHATNAGAR, AK ^{[1
]}

KOJIMA, K ^{[1
]}

机构：

[1] RITSUMEIKAN UNIV,FAC SCI & ENGN,DEPT CHEM,KITA KU,KYOTO 603,JAPAN

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1994年 / 167卷 / 1-2期

关键词：

D O I：

10.1016/0022-3093(94)90373-5

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Electron paramagnetic resonance spectra of VO2+ ions in alkali fluoroborate system of glasses (R = Li, Na) have been studied. The spectra are typical of V4+ ions present in vanadyl (VO2+) form in the glass. Spin-Hamiltonian parameters, DELTAg(parallel-to)/DELTAg(perpendicular-to), and the covalency parameters have been evaluated. It was found that these parameters are dependent upon the alkali ion concentration in the glass and the VO2+ ion is in an octahedral coordination with a tetragonal compression.

引用

页码：106 / 111

页数：6

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