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Front. Phys.    2011, Vol. 6 Issue (4) : 410-428    https://doi.org/10.1007/s11467-011-0229-5
REVIEW ARTICLE
Structural, magnetic and electronic properties of the iron–chalcogenide AxFe2-ySe2 (A=K, Cs, Rb, and Tl, etc.) superconductors
Dai-xiang Mou, Lin Zhao, Xing-jiang Zhou()
National Laboratory for Superconductivity, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
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Abstract

The latest discovery of a new iron–chalcogenide superconductor AxFe2-ySe2 (A = K, Cs, Rb, and Tl, etc.) has attracted much attention due to a number of its unique characteristics, such as the possible insulating state of the parent compound, the existence of Fe-vacancy and its ordering, a new form of magnetic structure and its interplay with superconductivity, and the peculiar electronic structures that are distinct from other Fe-based superconductors. In this paper, we present a brief review on the structural, magnetic and electronic properties of this new superconductor, with an emphasis on the electronic structure and superconducting gap. Issues and future perspectives are discussed at the end of the paper.
Keywords superconductor      iron–chalcogenides      electronic structure      photoemission      Fermi science      superconducting gap      crystal structure      magnetic structure     
Corresponding Author(s): Zhou Xing-jiang,Email:XJZhou@aphy.iphy.ac.cn   
Issue Date: 05 December 2011
 Cite this article:   
Dai-xiang Mou,Lin Zhao,Xing-jiang Zhou. Structural, magnetic and electronic properties of the iron–chalcogenide AxFe2-ySe2 (A=K, Cs, Rb, and Tl, etc.) superconductors[J]. Front. Phys. , 2011, 6(4): 410-428.
 URL:  
https://academic.hep.com.cn/fop/EN/10.1007/s11467-011-0229-5
https://academic.hep.com.cn/fop/EN/Y2011/V6/I4/410
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