Band structure, Fermi surface, and superconducting
gap in FeAs-based superconductors revealed by angle-resolved photoemission
spectroscopy

doi:10.1007/s11467-009-0058-y

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Front. Phys. ›› 2009, Vol. 4 ›› Issue (4) : 427-432. DOI: 10.1007/s11467-009-0058-y

Research articles

Band structure, Fermi surface, and superconducting gap in FeAs-based superconductors revealed by angle-resolved photoemission spectroscopy

Xing-jiang ZHOU (周兴江),Guo-dong LIU (刘国东),Hai-yun LIU (刘海云),Lin ZHAO (赵林),Wen-tao ZHANG (张文涛),Xiao-wen JIA (贾小文),Jian-qiao MENG (孟建桥),

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Abstract

In this paper, we present a brief review on our angle-resolved photoemission measurements on the band structure, Fermi surface, and superconducting gap of the newly-discovered FeAs-based high temperature superconductors. (1) The Fermi surface of the FeAs-based compounds are characterized by the hole-like Fermi surface sheets near Γ (0, 0) and the existence of singular Fermi spots near M(π

Keywords

superconductor / photoemission / electronic structure / Fermi surface / superconducting gap

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Xing-jiang ZHOU (周兴江), Guo-dongLIU (刘国东), Hai-yunLIU (刘海云), LinZHAO (赵林), Wen-taoZHANG (张文涛), Xiao-wenJIA (贾小文), Jian-qiaoMENG (孟建桥),. Band structure, Fermi surface, and superconducting gap in FeAs-based superconductors revealed by angle-resolved photoemission spectroscopy. Front. Phys., 2009, 4(4): 427‒432 https://doi.org/10.1007/s11467-009-0058-y