Comparison of EPR spectra of the Gd3+ ion-doped YAl3(BO3)4, EuAl3(BO3)4, and TmAl3(BO3)4 single crystals

被引：19
作者：
Prokhorov, A. D. [1 ]
Prokhorov, A. A. [1 ]
Chernush, L. F. [1 ]
Minyakaev, R. [2 ]
Dyakonov, V. P. [1 ,2 ]
Szymczak, H. [2 ]
机构：
[1] NANU, AA Galkin Donetsk Physicotech Inst, UA-83114 Donetsk, Ukraine
[2] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2014年 / 251卷 / 01期
关键词：
EPR spectra; rare-earth aluminum borates; spin-Hamiltonian parameters; superposition model; ELECTRON-PARAMAGNETIC-RESONANCE; SUPERPOSITION MODEL; ENERGY-LEVELS; FIELD ANALYSIS; ER3+ IONS; YTTRIUM; ND3+;
D O I：
10.1002/pssb.201350026
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The EPR spectra of Gd3+ ion replacing Y3+ or rare-earth (RE) ions in aluminum borates REAl3(BO3)(4) (RE=Y3+, Eu3+, Tm3+) have been studied. The spin-Hamiltonian parameters of an impurity Gd3+ ion in these crystals were determined. The basic atom coordinates in the structure of TmAl (3) (BO3)(4) crystal have been established. Distortions of the Gd3+ ion nearest environment were analyzed within the framework of the superposition model of zero-field splitting. The b(2)(0) parameter change in isomorphic aluminum borates is shown to be determined by change of the angle between the Gd3+O2- bond and the C-3-axis. (C) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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页码：201 / 205
页数：5
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