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Investigations of EPR parameters and local lattice distortions for both Co2+ centers in La2Mg3(NO3)(12)center dot 24H(2)O crystal
Zheng, WC; Wu, SY; Dong, HN
Corresponding AuthorDong, HN()
2004-02-01
Source PublicationSPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
ISSN1386-1425
Volume60Issue:3Pages:715-718
AbstractThe EPR g factors, g(parallel to) and g(perpendicular to), of Co2+ and hyperfine structure constants (A(parallel to), A(perpendicular to)) of Co-59(2+) and (60)Co2(+) isotopes in both trigonal Mg2+ sites of La2Mg3(NO3)(12).24H(2)O crystal are calculated from the high-order perturbation formulas of EPR parameters based on the cluster approach for 3d(7) ion. It is found that to explain reasonably all these EPR parameters, the local relaxation effects (particularly, those related to the trigonal distortion angles theta(i)) in the vicinity of both Co2+ impurities should be considered. The local angles theta(i) are obtained from the calculations and the results are discussed. (C) 2003 Elsevier B.V. All rights reserved.
Keywordelectron paramagnetic resonance crystal- and ligand-field theory local lattice distortion Co2+ La2Mg3(NO3)(12)center dot 24H(2)O
DOI10.1016/S1386-1425(03)00282-8
Indexed BySCI
Language英语
WOS Research AreaSpectroscopy
WOS SubjectSpectroscopy
WOS IDWOS:000188890200029
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81875
Corresponding AuthorDong, HN
Affiliation1.Chongqing Univ Posts & Telecommun, Inst Appl Phys, Chongqing 400065, Peoples R China
2.Sichuan Univ, Dept Mat Sci, Chengdu 610064, Peoples R China
3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
4.Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China
Recommended Citation
GB/T 7714
Zheng, WC,Wu, SY,Dong, HN. Investigations of EPR parameters and local lattice distortions for both Co2+ centers in La2Mg3(NO3)(12)center dot 24H(2)O crystal[J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,2004,60(3):715-718.
APA Zheng, WC,Wu, SY,&Dong, HN.(2004).Investigations of EPR parameters and local lattice distortions for both Co2+ centers in La2Mg3(NO3)(12)center dot 24H(2)O crystal.SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,60(3),715-718.
MLA Zheng, WC,et al."Investigations of EPR parameters and local lattice distortions for both Co2+ centers in La2Mg3(NO3)(12)center dot 24H(2)O crystal".SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 60.3(2004):715-718.
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