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Title: Intrinsic quantum anomalous Hall effect in the kagome lattice Cs2LiMn3F12

Abstract

In a kagome lattice, the time reversal symmetry can be broken by a staggered magnetic flux emerging from ferromagnetic ordering and intrinsic spin-orbit coupling, leading to several well-separated nontrivial Chern bands and intrinsic quantum anomalous Hall effect. Based on this idea and ab initio calculations, we propose the realization of the intrinsic quantum anomalous Hall effect in the single layer Cs2Mn3F12 kagome lattice and on the (001) surface of a Cs2LiMn3F12 single crystal by modifying the carrier coverage on it, where the band gap is around 20 meV. Furthermore, a simplified tight binding model based on the in-plane ddσ antibonding states is constructed to understand the topological band structures of the system.

Authors:
 [1];  [1];  [1]
  1. Stanford Univ., Stanford, CA (United States). Dept. of Physics
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1263391
Alternate Identifier(s):
OSTI ID: 1224374
Report Number(s):
SLAC-PUB-16645
Journal ID: ISSN 0031-9007; PRLTAO; arXiv:1507.04043
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 115; Journal Issue: 18; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; MATSCI

Citation Formats

Xu, Gang, Lian, Biao, and Zhang, Shou -Cheng. Intrinsic quantum anomalous Hall effect in the kagome lattice Cs2LiMn3F12. United States: N. p., 2015. Web. doi:10.1103/PhysRevLett.115.186802.
Xu, Gang, Lian, Biao, & Zhang, Shou -Cheng. Intrinsic quantum anomalous Hall effect in the kagome lattice Cs2LiMn3F12. United States. https://doi.org/10.1103/PhysRevLett.115.186802
Xu, Gang, Lian, Biao, and Zhang, Shou -Cheng. 2015. "Intrinsic quantum anomalous Hall effect in the kagome lattice Cs2LiMn3F12". United States. https://doi.org/10.1103/PhysRevLett.115.186802. https://www.osti.gov/servlets/purl/1263391.
@article{osti_1263391,
title = {Intrinsic quantum anomalous Hall effect in the kagome lattice Cs2LiMn3F12},
author = {Xu, Gang and Lian, Biao and Zhang, Shou -Cheng},
abstractNote = {In a kagome lattice, the time reversal symmetry can be broken by a staggered magnetic flux emerging from ferromagnetic ordering and intrinsic spin-orbit coupling, leading to several well-separated nontrivial Chern bands and intrinsic quantum anomalous Hall effect. Based on this idea and ab initio calculations, we propose the realization of the intrinsic quantum anomalous Hall effect in the single layer Cs2Mn3F12 kagome lattice and on the (001) surface of a Cs2LiMn3F12 single crystal by modifying the carrier coverage on it, where the band gap is around 20 meV. Furthermore, a simplified tight binding model based on the in-plane ddσ antibonding states is constructed to understand the topological band structures of the system.},
doi = {10.1103/PhysRevLett.115.186802},
url = {https://www.osti.gov/biblio/1263391}, journal = {Physical Review Letters},
issn = {0031-9007},
number = 18,
volume = 115,
place = {United States},
year = {Tue Oct 27 00:00:00 EDT 2015},
month = {Tue Oct 27 00:00:00 EDT 2015}
}

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Cited by: 104 works
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