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Spin-Hamiltonian parameters for the tetragonal Gd-M(3+)-F-i(-) centers in CaF2 and SrF2 crystals
W. Q. Yang; Y. Zhang; Y. Lin; W. C. Zheng
2013
Source PublicationJournal of Magnetic Resonance
ISSN1090-7807
Volume227Pages:62-65
AbstractThe spin-Hamiltonian parameters (g factors g(ll), g(perpendicular to) and zero-field splittings b(2)(0), b(4)(0), b(4)(4), b(6)(0), b(6)(4)) of the tetragonal Gd-M(3+)-F-1(-) centers in CaF2 and SrF2 crystals at T approximate to 1.8 K are calculated from the diagonalization (of energy matrix) method based on the one-electron crystal field mechanism. In the calculations, the crystal field parameters used are estimated from the superposition model with the reported defect structural data obtained from the analyses of superhyperfire interaction constants at the same temperature. The calculated results are in reasonable agreement with the experimental values. It appears that the above defect structural data reported in the previous paper are suitable and the diagonalization (of energy matrix) method is effective to the studies of spin-Hamiltonian parameters for 4f(7) ions in crystals. (C) 2012 Elsevier Inc. All rights reserved.
description.department[yang wei-qing ; zhang ying ; lin yuan] univ elect sci & technol china, state key lab elect thin films & integrated devic, chengdu 610054, peoples r china. [yang wei-qing] chengdu univ informat technol, dept photoelect technol, chengdu 610225, peoples r china. [zheng wen-chen] sichuan univ, dept mat sci, chengdu 610064, peoples r china. [zheng wen-chen] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. ; yang, wq (reprint author), univ elect sci & technol china, state key lab elect thin films & integrated devic, chengdu 610054, peoples r china. ; cdywq168@163.com ; yuanlin@uestc.edu.cn
KeywordElectron Paramagnetic Resonance Crystal And ligAnd-field Theory Defect Structure Gd3++ Calcium Fluoride Strontium Fluoride Electron-paramagnetic-resonance Superposition-model Analysis Temperature-dependence Optical Spectroscopy Magnetic-resonance Laser Applications Local-structure Epr-spectra Gd3++ Fluorites
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71636
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
W. Q. Yang,Y. Zhang,Y. Lin,et al. Spin-Hamiltonian parameters for the tetragonal Gd-M(3+)-F-i(-) centers in CaF2 and SrF2 crystals[J]. Journal of Magnetic Resonance,2013,227:62-65.
APA W. Q. Yang,Y. Zhang,Y. Lin,&W. C. Zheng.(2013).Spin-Hamiltonian parameters for the tetragonal Gd-M(3+)-F-i(-) centers in CaF2 and SrF2 crystals.Journal of Magnetic Resonance,227,62-65.
MLA W. Q. Yang,et al."Spin-Hamiltonian parameters for the tetragonal Gd-M(3+)-F-i(-) centers in CaF2 and SrF2 crystals".Journal of Magnetic Resonance 227(2013):62-65.
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