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Title: Magnetotransport study of Dirac fermions in YbMnBi 2 antiferromagnet

Abstract

We report quantum transport and Dirac fermions in YbMnBi2 single crystals. YbMnBi2 is a layered material with anisotropic conductivity and magnetic order below 290 K. Magnetotransport properties, nonzero Berry phase, and small cyclotron mass indicate the presence of Dirac fermions. Lastly, angular-dependent magnetoresistance indicates a possible quasi-two-dimensional Fermi surface, whereas the deviation from the nontrivial Berry phase expected for Dirac states suggests the contribution of parabolic bands at the Fermi level or spin-orbit coupling.

Authors:
 [1];  [1];  [2];  [1];  [3];  [4];  [1];  [1];  [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); Chinese Academy of Sciences, Shenyang (China)
  3. Florida State Univ., Tallahassee, FL (United States)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1345734
Alternate Identifier(s):
OSTI ID: 1329949
Report Number(s):
BNL-113552-2017-JA
Journal ID: ISSN 2469-9950; PRBMDO; R&D Project: PM016; PO010; KC0201050; KC0201060; TRN: US1701513
Grant/Contract Number:  
SC00112704; SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 94; Journal Issue: 16; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Wang, Aifeng, Zaliznyak, I., Ren, Weijun, Wu, Lijun, Graf, D., Garlea, V. O., Warren, J. B., Bozin, E., Zhu, Yimei, and Petrovic, C. Magnetotransport study of Dirac fermions in YbMnBi2 antiferromagnet. United States: N. p., 2016. Web. doi:10.1103/PhysRevB.94.165161.
Wang, Aifeng, Zaliznyak, I., Ren, Weijun, Wu, Lijun, Graf, D., Garlea, V. O., Warren, J. B., Bozin, E., Zhu, Yimei, & Petrovic, C. Magnetotransport study of Dirac fermions in YbMnBi2 antiferromagnet. United States. doi:10.1103/PhysRevB.94.165161.
Wang, Aifeng, Zaliznyak, I., Ren, Weijun, Wu, Lijun, Graf, D., Garlea, V. O., Warren, J. B., Bozin, E., Zhu, Yimei, and Petrovic, C. Sat . "Magnetotransport study of Dirac fermions in YbMnBi2 antiferromagnet". United States. doi:10.1103/PhysRevB.94.165161. https://www.osti.gov/servlets/purl/1345734.
@article{osti_1345734,
title = {Magnetotransport study of Dirac fermions in YbMnBi2 antiferromagnet},
author = {Wang, Aifeng and Zaliznyak, I. and Ren, Weijun and Wu, Lijun and Graf, D. and Garlea, V. O. and Warren, J. B. and Bozin, E. and Zhu, Yimei and Petrovic, C.},
abstractNote = {We report quantum transport and Dirac fermions in YbMnBi2 single crystals. YbMnBi2 is a layered material with anisotropic conductivity and magnetic order below 290 K. Magnetotransport properties, nonzero Berry phase, and small cyclotron mass indicate the presence of Dirac fermions. Lastly, angular-dependent magnetoresistance indicates a possible quasi-two-dimensional Fermi surface, whereas the deviation from the nontrivial Berry phase expected for Dirac states suggests the contribution of parabolic bands at the Fermi level or spin-orbit coupling.},
doi = {10.1103/PhysRevB.94.165161},
journal = {Physical Review B},
number = 16,
volume = 94,
place = {United States},
year = {2016},
month = {10}
}

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Cited by: 8 works
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