The effects of applied electric fields on the EPR spectra of Fe3+ ion in tetragonal SrTiO3 crystal

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	The effects of applied electric fields on the EPR spectra of Fe3+ ion in tetragonal SrTiO3 crystal
	W. C. Zheng; S. Tang; X. X. Wu
	2004
发表期刊	Journal of Magnetism and Magnetic Materials
ISSN	0304-8853
卷号	283 期号:2-3 页码:276-281
摘要	The electric-field-induced zero-field splittings for Fe3+ in tetragonal phase of SrTiO3 are studied from the microscopic mechanisms and the empirical superposition model. From the studies, it is found that the induced zero-field splittings can be reasonably explained by considering suitable Fe3+ displacements along the electric-field direction in the tetragonal (FeO6)(9-) groups in SrTiO3:Fe3+. The electric-field-induced Fe3+ displacements obtained by the above two methods are close to each other and they are also comparable with those obtained from the force-balance equation. The strong temperature dependences of electric-field-induced zero-field splitting and hence of Fe3+ displacement can be attributed mainly to the strong temperature dependence of dielectric constant of SrTiO3 crystal. (C) 2004 Elsevier B.V. All rights reserved.
部门归属	sichuan univ, dept mat sci, chengdu 610064, peoples r china. civil aviat flying inst china, dept phys, guanghan 618307, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china.;zheng, wc (reprint author), sichuan univ, dept mat sci, chengdu 610064, peoples r china,peoples r china;zhengwc1@163.com
关键词	Electron Paramagnetic Resonance Electric-field Effect Crystal Field Ligand Field Srtio3 : Fe3(+) Covalency Contribution State Temperature Resonance Phase Srcl2 Ktao3
URL	查看原文
WOS记录号	WOS:000225202800020
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/35757
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	W. C. Zheng,S. Tang,X. X. Wu. The effects of applied electric fields on the EPR spectra of Fe3+ ion in tetragonal SrTiO3 crystal[J]. Journal of Magnetism and Magnetic Materials,2004,283(2-3):276-281.
APA	W. C. Zheng,S. Tang,&X. X. Wu.(2004).The effects of applied electric fields on the EPR spectra of Fe3+ ion in tetragonal SrTiO3 crystal.Journal of Magnetism and Magnetic Materials,283(2-3),276-281.
MLA	W. C. Zheng,et al."The effects of applied electric fields on the EPR spectra of Fe3+ ion in tetragonal SrTiO3 crystal".Journal of Magnetism and Magnetic Materials 283.2-3(2004):276-281.