Spin-Hamiltonian parameters and zero-field splitting of impurity Gd3+ ions in SrY2O4 crystal

被引：6
|
作者：
Gabbasov, B. F. [1 ]
Zverev, D. G. [1 ]
Gilmutdinov, I. F. [1 ]
Batulin, R. G. [1 ]
Kiiamov, A. G. [1 ]
Nikitin, S., I [1 ]
Yusupov, R., V [1 ]
机构：
[1] Kazan Fed Univ, Kremlevskaya Str 18, Kazan 420008, Russia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2019年 / 469卷
关键词：
Strontium yttrate; Gadolinium impurity; Electron paramagnetic resonance; Zero-field splitting; Spin-Hamiltonian parameters; SYMMETRY;
D O I：
10.1016/j.jmmm.2018.09.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electron paramagnetic resonance (EPR) study of the impurity Gd3+ ions in the multi-site SrY2O4 crystal iso-structural to the magnetically-frustrated SrGd2O4 compound is reported. Analysis of the angular dependences of the EPR spectra at room temperature allowed us to establish the spin-level energy patterns in the ground states of the Gd3+ ions at the Y(1) and Y(2) sites. Parameters of the spin-Hamiltonian in the frames related to the crystal axes and to the principal center axes are determined.
引用
收藏
页码：638 / 642
页数：5
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