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Antiferromagnetic exchange interaction of Cr3+ dimer in acid erothro chloride [(NH3)(5)CrOHCr(NH3)(4)(H2O)]Cl-5 center dot H2O and LaAlO3 : Cr3+ molecules
Kuang, XY; Zhou, KW
Corresponding AuthorKuang, XY()
2000-08-01
Source PublicationJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
ISSN0022-3697
Volume61Issue:8Pages:1225-1229
AbstractThe antiferromagnetic phenomena of the chromium(III) dimer in acid erothro chloride [(NH3)(5)CrOHCr(NH3)(4)(H2O)]Cl-5. H2O and LaAlO3:Cr3+ have been explained in terms of the Girerd-Journaux-Kahn (GJK) model and the Heitler-London (HL) model, respectively. For the Cr ... Cr distance R in the range 3.2 < R < 4.4 Angstrom, the values of the exchange interaction parameter J calculated with the GJK model are higher by a factor 2-3 than those with the HL model. This means that the contribution of the excited charge-transfer configuration (CTC) is considerably important and the main physical mechanism of the antiferromagnetic characteristics in acid erothro chloride and in LaAlO3:Cr3+ can be attributed to the combined effect of the direct exchange and the superexchange interactions. (C) 2000 Elsevier Science Ltd. All rights reserved.
Keywordantiferromagnetic exchange interaction Cr3+ model magnetic properties
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Multidisciplinary ; Physics, Condensed Matter
WOS IDWOS:000087629200005
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/110274
Collection中国科学院金属研究所
Corresponding AuthorKuang, XY
Affiliation1.Sichuan Univ, Inst Atom & Mol Phys, Chengdu 610065, Peoples R China
2.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
3.Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
4.CCAST, World Lab, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Kuang, XY,Zhou, KW. Antiferromagnetic exchange interaction of Cr3+ dimer in acid erothro chloride [(NH3)(5)CrOHCr(NH3)(4)(H2O)]Cl-5 center dot H2O and LaAlO3 : Cr3+ molecules[J]. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,2000,61(8):1225-1229.
APA Kuang, XY,&Zhou, KW.(2000).Antiferromagnetic exchange interaction of Cr3+ dimer in acid erothro chloride [(NH3)(5)CrOHCr(NH3)(4)(H2O)]Cl-5 center dot H2O and LaAlO3 : Cr3+ molecules.JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,61(8),1225-1229.
MLA Kuang, XY,et al."Antiferromagnetic exchange interaction of Cr3+ dimer in acid erothro chloride [(NH3)(5)CrOHCr(NH3)(4)(H2O)]Cl-5 center dot H2O and LaAlO3 : Cr3+ molecules".JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS 61.8(2000):1225-1229.
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