Optical spectroscopy studies on FeTe1-xSex and AxFe2-ySe2 (A = K, Rb, Cs): A brief overview

被引:3
|
作者
Yuan Rui-Hua [1 ]
Wang Nan-Lin [1 ]
机构
[1] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
关键词
SUPERCONDUCTIVITY; FESE;
D O I
10.1088/1674-1056/22/8/087404
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In this short overview, we summarize the optical spectroscopy studies on iron selenide superconducting systems FeTe1-xSex and A(x)Fe(2-y)Se(2). We elaborate that optical spectroscopy measurements yield fruitful information about the band structure evolution across the AFM phase transition temperature, the electronic correlation effect, the superconducting pairing energy gap, the condensed carrier density or penetration depth, the inhomogeneity and the nanoscale phase separation between superconductivity and antiferromagnetism in those systems.
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页数:8
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