Electron paramagnetic resonance of Gd3+ ions in Ca1 − x − yYxGdyF2 + x + y crystals

被引：0
|
作者：
V. A. Vazhenin
A. P. Potapov
A. V. Fokin
M. Yu. Artyomov
机构：
[1] Ural Federal University named after the First President of Russia B.N. Yeltsin,Institute of Physics and Applied Mathematics
来源：
Physics of the Solid State | 2013年 / 55卷
关键词：
Electron Paramagnetic Resonance Spectrum; Orientation Behavior; Tetrahedral Cluster; Tetragonal Center; Dime Center;
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学科分类号：
摘要：
Electron paramagnetic resonance of Ca1 − x − yYxGdyF2 + x + y single crystals has revealed spectra that are not typical of gadolinium-doped CaF2 crystals. These spectra have a nearly tetragonal symmetry and are most probably caused by Gd3+ ions localized in yttrium clusters. Weak spectra of tetragonal Gd3+ centers, whose parameters are close to those of a cubic gadolinium center caused by an isolated Gd3+ ion, have been also detected. These centers are attributed to isolated Gd3+ ions localized near octahedral rare-earth clusters or their associations.
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页码：1214 / 1219
页数：5
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