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Electronic structure and magnetism of RbGd2Fe4As4O2

Author:
Wang, Zhenwei  Wang, Guangtao  Tian, Xin  


Journal:
JOURNAL OF ALLOYS AND COMPOUNDS


Issue Date:
2017


Abstract(summary):

The electronic structure, magnetism, and Fermi surface (FS) nesting of new superconductor RbGd2Fe4As4O2 (12442) were studied by the first-principes calculation. Its calculated ground state is the stripe antiferromagnetic state. The hole-like FSs will overlap with the electron-like FS sheets by the electron doping. Such significant FS nesting induces a peak of the bare susceptibility chi(0)((q) over right arrow) at the X point, suggesting the parent compound RbGd2Fe4As4O2 is a self hole-doping induced superconductor. (C) 2017 Elsevier B.V. All rights reserved.


Page:
392---396


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