Interplay of Dirac electrons and magnetism in CaMnBi2 and SrMnBi2

Anmin Zhang; Changle Liu; Changjiang Yi; Guihua Zhao; Tian-long Xia; Jianting Ji; Youguo Shi; Rong Yu; Xiaoqun Wang; Changfeng Chen; Qingming Zhang

doi:10.1038/ncomms13833

Nature Communications (Dec 2016)

Interplay of Dirac electrons and magnetism in CaMnBi2 and SrMnBi2

Anmin Zhang,
Changle Liu,
Changjiang Yi,
Guihua Zhao,
Tian-long Xia,
Jianting Ji,
Youguo Shi,
Rong Yu,
Xiaoqun Wang,
Changfeng Chen,
Qingming Zhang

Affiliations

Anmin Zhang: Department of Physics, Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-nano Devices, Renmin University of China
Changle Liu: Department of Physics, Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-nano Devices, Renmin University of China
Changjiang Yi: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Guihua Zhao: Department of Physics, Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-nano Devices, Renmin University of China
Tian-long Xia: Department of Physics, Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-nano Devices, Renmin University of China
Jianting Ji: Department of Physics, Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-nano Devices, Renmin University of China
Youguo Shi: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Rong Yu: Department of Physics, Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-nano Devices, Renmin University of China
Xiaoqun Wang: Department of Physics, Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-nano Devices, Renmin University of China
Changfeng Chen: Department of Physics and High Pressure Science and Engineering Center, University of Nevada
Qingming Zhang: Department of Physics, Beijing Key Laboratory of Opto-Electronic Functional Materials and Micro-nano Devices, Renmin University of China

DOI: https://doi.org/10.1038/ncomms13833
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 7

Abstract

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The interplay between the low-energy carriers in Dirac materials and magnetism is likely to reveal many novel physical phenomena. Here, the authors use two-magnon Raman scattering to determine the exchange energies of two prototypical magnetic Dirac systems, CaMnBi2 and SrMnBi2.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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