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Electronic structures of ternary iron arsenides AFe(2)As(2) (A = Ba, Ca, or Sr)
Ma, Feng-jie; Lu, Zhong-yi; Xiang, Tao; Ma, FJ , Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China
2010
发表期刊FRONTIERS OF PHYSICS IN CHINA
ISSN1673-3487
卷号5期号:2页码:150-160
摘要We have studied the electronic and magnetic structures of the ternary iron arsenides AFe(2)As(2) (A = Ba, Ca, or Sr) using the first-principles density functional theory. The ground states of these compounds are in a collinear antiferromagnetic order, resulting from the interplay between the nearest and the next-nearest neighbor superexchange antiferromagnetic interactions bridged by As 4p orbitals. The correction from the spin-orbit interaction to the electronic band structure is given. The pressure can reduce dramatically the magnetic moment and diminish the collinear antiferromagnetic order. Based on the calculations, we propose that the low energy dynamics of these materials can be described effectively by a t-J(H)-J(1)-J(2)-type model [arXiv: 0806.3526v2, 2008].
部门归属[Ma, FJ; Lu, ZY] Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China; [Ma, FJ; Xiang, T] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Xiang, T] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
学科领域Physics
资助者National Natural Science Foundation of China; Ministry of Science and Technology, China ; National Natural Science Foundation of China; Ministry of Science and Technology, China ; National Natural Science Foundation of China; Ministry of Science and Technology, China ; National Natural Science Foundation of China; Ministry of Science and Technology, China
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收录类别SCI
资助者National Natural Science Foundation of China; Ministry of Science and Technology, China ; National Natural Science Foundation of China; Ministry of Science and Technology, China ; National Natural Science Foundation of China; Ministry of Science and Technology, China ; National Natural Science Foundation of China; Ministry of Science and Technology, China
WOS记录号WOS:000280414400004
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被引频次:55[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/311006/5097
专题理论物理所1978-2010年知识产出
通讯作者Ma, FJ , Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China
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Ma, Feng-jie,Lu, Zhong-yi,Xiang, Tao,et al. Electronic structures of ternary iron arsenides AFe(2)As(2) (A = Ba, Ca, or Sr)[J]. FRONTIERS OF PHYSICS IN CHINA,2010,5(2):150-160.
APA Ma, Feng-jie,Lu, Zhong-yi,Xiang, Tao,&Ma, FJ , Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.(2010).Electronic structures of ternary iron arsenides AFe(2)As(2) (A = Ba, Ca, or Sr).FRONTIERS OF PHYSICS IN CHINA,5(2),150-160.
MLA Ma, Feng-jie,et al."Electronic structures of ternary iron arsenides AFe(2)As(2) (A = Ba, Ca, or Sr)".FRONTIERS OF PHYSICS IN CHINA 5.2(2010):150-160.
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