Unusual band renormalization in the simplest iron-based superconductor FeSe1-x

被引：158

作者：

Maletz, J. ^{[1
]}

Zabolotnyy, V. B. ^{[1
]}

Evtushinsky, D. V. ^{[1
]}

Thirupathaiah, S. ^{[1
]}

Wolter, A. U. B. ^{[1
]}

Harnagea, L. ^{[1
]}

Yaresko, A. N. ^{[2
]}

Vasiliev, A. N. ^{[3
,4
]}

Chareev, D. A. ^{[5
,6
]}

Boehmer, A. E. ^{[7
]}

Hardy, F. ^{[7
]}

Wolf, T. ^{[7
]}

Meingast, C. ^{[7
]}

Rienks, E. D. L. ^{[8
]}

Buechner, B. ^{[1
,9
]}

Borisenko, S. V. ^{[1
]}

机构：

[1] IFW Dresden, Inst Solid State Res, D-01171 Dresden, Germany

[2] Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany

[3] Moscow MV Lomonosov State Univ, Fac Phys, Low Temp Phys & Superconduct Dept, Moscow 119991, Russia

[4] Ural Fed Univ, Inst Phys & Technol, Dept Appl Math & Theoret Phys, Ekaterinburg 620002, Russia

[5] Natl Res Univ, Higher Sch Econ, Moscow 101000, Russia

[6] Russian Acad Sci, Inst Expt Mineral, Chernogolovka 142432, Moscow Region, Russia

[7] Karlsruhe Inst Technol, Inst Festkorperphys, D-76021 Karlsruhe, Germany

[8] Helmholtz Zentrum Berlin, D-12489 Berlin, Germany

[9] Tech Univ Dresden, Inst Festkorperphys, D-01171 Dresden, Germany

来源：

PHYSICAL REVIEW B | 2014年 / 89卷 / 22期

基金：

俄罗斯基础研究基金会;

关键词：

HIGH-TEMPERATURE SUPERCONDUCTIVITY;

D O I：

10.1103/PhysRevB.89.220506

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electronic structure of the iron chalcogenide superconductor FeSe1-x was investigated by high-resolution angle-resolved photoemission spectroscopy (ARPES). The results were compared to DFT calculations showing some significant differences between the experimental electronic structure of FeSe1-x, DFT calculations, and existing data on FeSexTe1-x. The bands undergo a pronounced orbital-dependent renormalization, different from what was observed for FeSexTe1-x and any other pnictides.

引用

页数：5

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