Wide-Band EPR Spectroscopy of SrY2O4:Ho3+ Crystal

被引：0
|
作者：
Shakurov, G. S. [1 ]
Malkin, B. Z. [2 ]
Batulin, R. G. [2 ]
Kiiamov, A. G. [2 ]
机构：
[1] Russian Acad Sci, FRC Kazan Sci Ctr, Zavoisky Phys Tech Inst, Kazan, Russia
[2] Kazan Fed Univ, Kazan 420008, Russia
来源：
OPTICS AND SPECTROSCOPY | 2023年 / 131卷 / 10期
基金：
俄罗斯科学基金会;
关键词：
hyperfine interaction; rare-earth ions; spin Hamiltonian; non-Kramers doublet; OPTICAL-SPECTRA; SYSTEMS;
D O I：
10.1134/S0030400X23100211
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
EPR spectra of impurity Ho3+ ions in oriented SrY2O4 single-crystals are registered at the temperature 4.2 K in the frequency range from 70 to 180 GHz. The results of measurements evidence for the substitution of Ho3+ ions for the Y3+ ions at the structurally nonequivalent sites R1 and R2 with the local Cs point symmetry. The values of g-factors, hyperfine structure constants and the energy gaps between the ground and the first excited non-degenherate crystal-field sublevels of the ground I-5(8) multiplet are determined. The observed specific features of the ground states of Ho3+ ions (non-Kramers doublets with the zero-field splittings of 4.30 and 1.67 cm(-1)) open a possibility to identify transitions in optical spectra of SrY2O4:Ho and inelastic neutron scattering spectra of SrHo2O4 crystals.
引用
收藏
页码：1082 / 1086
页数：5
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