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Theory for spin and orbital orderings in high-temperature phases in YVO3
De Silva, TN; Joshi, A; Ma, M; Zhang, FC; De Silva, TN , Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA.
2003
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号68期号:18页码:-
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.
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
关键词Transition-metal Oxides Magnetic-properties Insulating V2o3 Mott-insulator Lavo3 Susceptibility Behavior
学科领域Physics
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收录类别SCI
WOS记录号WOS:000187004300040
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14195
专题理论物理所SCI论文
通讯作者De Silva, TN , Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA.
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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):-.
APA De Silva, TN,Joshi, A,Ma, M,Zhang, FC,&De Silva, TN , Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA..(2003).Theory for spin and orbital orderings in high-temperature phases in YVO3.PHYSICAL REVIEW B,68(18),-.
MLA De Silva, TN,et al."Theory for spin and orbital orderings in high-temperature phases in YVO3".PHYSICAL REVIEW B 68.18(2003):-.
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