Spin-Orbit Interactions and the Nematicity Observed in the Fe-Based Superconductors
Journal Article
·
· Physical Review Letters
- Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
- Univ. of Wisconsin, Milwaukee, WI (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
High-resolution angle-resolved photoelectron spectroscopy is used herein to examine the electronic band structure of near the Brillouin zone center. A consistent separation of the and bands is observed with little dependence of the band. First-principles calculations for bulk and thin films demonstrate that the antiferromagnetic coupling between the Fe atoms and hybridization-induced spin-orbit effects lifts the degeneracy of the Fe and orbitals at the zone center leading to orbital ordering. These experimental and computational results provide a natural microscopic basis for the nematicity observed in the Fe-based superconductors.
- Research Organization:
- Energy Frontier Research Centers (EFRC) (United States). Center for Emergent Superconductivity (CES); Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
- Grant/Contract Number:
- AC02-98CH10886; DMR-1335215
- OSTI ID:
- 1385496
- Alternate ID(s):
- OSTI ID: 1178595
- Journal Information:
- Physical Review Letters, Vol. 114, Issue 16; Related Information: CES partners with Brookhaven National Laboratory (BNL); Argonne National Laboratory; University of Illinois, Urbana-Champaign; Los Alamos National Laboratory; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 37 works
Citation information provided by
Web of Science
Web of Science
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Observation of topological superconductivity on the surface of an iron-based superconductor
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High-temperature superconductivity in one-unit-cell FeSe films | text | January 2017 |
Observation of topological superconductivity on the surface of an iron-based superconductor | text | January 2017 |
Influence of Spin Orbit Coupling in the Iron-Based Superconductors | text | January 2017 |
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