期刊
SOLID STATE COMMUNICATIONS
卷 151, 期 4, 页码 272-275出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2010.12.012
关键词
Superconductors; Magnetically ordered materials; Fermi surface
资金
- Office of Naval Research (ONR) [N0014-07-1-0638]
- National Science Foundation (NSF) [DMR-1006557, OCI-0821527]
- DOE Basic Sciences [DOE DE-FG02-07ER46417]
- Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231]
- Arctic Region Supercomputing Center at the University of Alaska
- Direct For Computer & Info Scie & Enginr
- Office of Advanced Cyberinfrastructure (OAC) [821527] Funding Source: National Science Foundation
The effects of spin structures on the Fermi surface topologies of BaFe2As2 were calculated using the first-principles approach. Here, we considered the nonmagnetic, Checkerboard, Stripe, and SDW (spin-density-wave) structures as well as a tetragonal structure labeled as STR17. By comparing the calculated results with the published angle-resolved photoemission spectroscopy from the literature, we propose that most of the experimentally observed Fermi surfaces of BaFe2As2 are the thermal mixture of those of the SDW, STR17, and Stripe structures. (C) 2010 Elsevier Ltd. All rights reserved.
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