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Ma, Feng-jie; Lu, Zhong-yi; Xiang, Tao; Ma, FJ , Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China
Electronic structures of ternary iron arsenides AFe(2)As(2) (A = Ba, Ca, or Sr)
Source PublicationFRONTIERS OF PHYSICS IN CHINA
AbstractWe 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].
2010
ISSN1673-3487
Volume5Issue:2Pages:150-160
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational 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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Cited Times:57[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5097
Collection理论物理所科研产出_SCI论文
Corresponding AuthorMa, FJ , Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China
Recommended Citation
GB/T 7714
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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