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Ma, Fengjie; Lu, Zhong-Yi; Ma, FJ , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Iron-based layered compound LaFeAsO is an antiferromagnetic semimetal
Source PublicationPHYSICAL REVIEW B
KeywordFcc-fe Superconductivity Approximation System
AbstractLaFeAsO is a parent compound of iron-based F-doped superconductors. An understanding of its ground phase and electronic structure is a precondition to understanding the underlying superconductivity mechanism. Our study shows that LaFeAsO is a quasi-two-dimensional antiferromagnetic semimetal with most carriers being electrons and with a magnetic moment of 2.3 mu(B) located around each Fe atom on the Fe-Fe square lattice. Physically, this is a commensurate antiferromagnetic spin-density wave due to the Fermi-surface nesting. The observed superconduction after the F doping happens on the Fe-Fe layer suggesting a new superconductivity mechanism mediated by spin fluctuations.
2008
ISSN1098-0121
Volume78Issue:3Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:186[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5509
Collection理论物理所科研产出_SCI论文
Corresponding AuthorMa, FJ , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Ma, Fengjie,Lu, Zhong-Yi,Ma, FJ , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China. Iron-based layered compound LaFeAsO is an antiferromagnetic semimetal[J]. PHYSICAL REVIEW B,2008,78(3):-.
APA Ma, Fengjie,Lu, Zhong-Yi,&Ma, FJ , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.(2008).Iron-based layered compound LaFeAsO is an antiferromagnetic semimetal.PHYSICAL REVIEW B,78(3),-.
MLA Ma, Fengjie,et al."Iron-based layered compound LaFeAsO is an antiferromagnetic semimetal".PHYSICAL REVIEW B 78.3(2008):-.
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