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The effects of applied electric fields on the EPR spectra of Fe3+ ion in tetragonal SrTiO3 crystal
Zheng, WC; Tang, S; Wu, XX
Corresponding AuthorZheng, WC(zhengwc1@163.com)
2004-12-01
Source PublicationJOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN0304-8853
Volume283Issue:2-3Pages:276-281
AbstractThe 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.
Keywordelectron paramagnetic resonance electric-field effect crystal field ligand field SrTiO3 : Fe3(+)
DOI10.1016/j.jmmm.2004.06.001
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Condensed Matter
WOS IDWOS:000225202800020
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82378
Corresponding AuthorZheng, WC
Affiliation1.Sichuan Univ, Dept Mat Sci, Chengdu 610064, Peoples R China
2.Civil Aviat Flying Inst China, Dept Phys, Guanghan 618307, Peoples R China
3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zheng, WC,Tang, S,Wu, XX. 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 Zheng, WC,Tang, S,&Wu, XX.(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 Zheng, WC,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.
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