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Theoretical studies of the g factors for the tetragonal Cu2+ site in Y2BaCuO8
Z. H. Zhang; S. Y. Wu; M. Q. Kuang; B. T. Song
2013
Source PublicationPhysica C-Superconductivity and Its Applications
ISSN0921-4534
Volume493Pages:58-59
AbstractThe EPR g factors g(parallel to) and g(perpendicular to) for the tetragonal Cu2+ site in Y2BaCuO8 are theoretically studied from the perturbation formulas of the g factors for a 3d(9) ion in a tetragonally elongated octahedron. In the calculations, the influences of the covalency and the low symmetrical (tetragonal) distortion are included, and the tetragonal field parameters are obtained using the superposition model. The [CuO6](10) cluster is found to experience the relative axial elongation of about 2% along the crystalline c axis due to the Jahn-Teller effect. The calculated g factors show good agreement with the experimental data. The relationship between the g anisotropy g(parallel to)-g(perpendicular to) and the tetragonal distortion is discussed. (C) 2013 Elsevier B.V. All rights reserved.
description.department[zhang, z. h. ; wu, s. y. ; kuang, m. q. ; song, b. t.] univ elect sci & technol china, sch phys elect, chengdu 610054, peoples r china. [wu, s. y.] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. ; zhang, zh (reprint author), univ elect sci & technol china, sch phys elect, chengdu 610054, peoples r china. ; zhihongzhang723@163.com
KeywordCrystal Fields And Spin Hamiltonians Electron Paramagnetic Resonance Cu2++ Y2bacuo8 Y211 Phase Copper
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71705
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. H. Zhang,S. Y. Wu,M. Q. Kuang,et al. Theoretical studies of the g factors for the tetragonal Cu2+ site in Y2BaCuO8[J]. Physica C-Superconductivity and Its Applications,2013,493:58-59.
APA Z. H. Zhang,S. Y. Wu,M. Q. Kuang,&B. T. Song.(2013).Theoretical studies of the g factors for the tetragonal Cu2+ site in Y2BaCuO8.Physica C-Superconductivity and Its Applications,493,58-59.
MLA Z. H. Zhang,et al."Theoretical studies of the g factors for the tetragonal Cu2+ site in Y2BaCuO8".Physica C-Superconductivity and Its Applications 493(2013):58-59.
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