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题名: Theory for spin and orbital orderings in high-temperature phases in YVO3
作者: De Silva, TN ;  Joshi, A ;  Ma, M ;  Zhang, FC
刊名: PHYSICAL REVIEW B
出版日期: 2003
卷号: 68, 期号:18, 页码:-
关键词: TRANSITION-METAL OXIDES ;  MAGNETIC-PROPERTIES ;  INSULATING V2O3 ;  MOTT-INSULATOR ;  LAVO3 ;  SUSCEPTIBILITY ;  BEHAVIOR
学科分类: Physics
通讯作者: De Silva, TN , Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA.
部门归属: Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA; Univ Ruhuna, Dept Phys, Matara, Sri Lanka; Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA; Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: Motivated by the recent neutron-diffraction experiment on YVO3, we consider a microscopic model where each V3+ ion is occupied by two 3d electrons of parallel spins with twofold-degenerate orbital configurations. The mean-field classical solutions of the spin-orbital superexchange model predicts an antiferro-orbital ordering at a higher temperature followed by a C-type antiferromagnetic spin ordering at a lower temperature. Our results are qualitatively consistent with the observed orbital phase transition at similar to200 K and the spin phase transition at similar to114 K in YVO3.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000187004300040
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14195
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
De Silva, TN,Joshi, A,Ma, M,et al. Theory for spin and orbital orderings in high-temperature phases in YVO3[J]. PHYSICAL REVIEW B,2003,68(18):-.
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