OPTICAL AND ELECTRON-PARAMAGNETIC RESONANCE STUDIES OF FE IMPURITIES IN YTTRIUM-ALUMINUM-GARNET CRYSTALS - COMMENT

被引:10
作者
ROTMAN, SR
机构
[1] Ben-Gurion University of the Negev, Department of Electrical and Computer Engineering, Beer-Sheva
来源
PHYSICAL REVIEW B | 1990年 / 41卷 / 01期
关键词
D O I
10.1103/PhysRevB.41.791
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper, we examine the relative concentrations of Fe+2 and Fe+3 in yttrium aluminum garnet and their distribution between octahedral and tetrahedral sites. We suggest that by examining the tetrahedral iron absorption peaks at 407 and 415 nm, the hypothesis of substantial shifting of Fe+3 from tetrahedral to octahedral sites when annealed between 600 to 1100°C and the conversion of substantial amounts of Fe+3 to Fe+2 when annealed in a reducing atmosphere can be analyzed. © 1990 The American Physical Society.
引用
收藏
页码:791 / 792
页数:2
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