Dirac cone, flat band and saddle point in kagome magnet YMn6Sn6

Man Li; Qi Wang; Guangwei Wang; Zhihong Yuan; Wenhua Song; Rui Lou; Zhengtai Liu; Yaobo Huang; Zhonghao Liu; Hechang Lei; Zhiping Yin; Shancai Wang

doi:10.1038/s41467-021-23536-8

Nature Communications (May 2021)

Dirac cone, flat band and saddle point in kagome magnet YMn6Sn6

Man Li,
Qi Wang,
Guangwei Wang,
Zhihong Yuan,
Wenhua Song,
Rui Lou,
Zhengtai Liu,
Yaobo Huang,
Zhonghao Liu,
Hechang Lei,
Zhiping Yin,
Shancai Wang

Affiliations

Man Li: Department of Physics and Beijing Key Laboratory of Opto-Electronic Functional Materials & Micro-Nano Devices, Renmin University of China
Qi Wang: Department of Physics and Beijing Key Laboratory of Opto-Electronic Functional Materials & Micro-Nano Devices, Renmin University of China
Guangwei Wang: Department of Physics and Center for Advanced Quantum Studies, Beijing Normal University
Zhihong Yuan: Department of Physics and Center for Advanced Quantum Studies, Beijing Normal University
Wenhua Song: Department of Physics and Beijing Key Laboratory of Opto-Electronic Functional Materials & Micro-Nano Devices, Renmin University of China
Rui Lou: School of Physical Science and Technology, Lanzhou University
Zhengtai Liu: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
Yaobo Huang: Shanghai Advanced Research Institute, Chinese Academy of Sciences
Zhonghao Liu: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
Hechang Lei: Department of Physics and Beijing Key Laboratory of Opto-Electronic Functional Materials & Micro-Nano Devices, Renmin University of China
Zhiping Yin: Department of Physics and Center for Advanced Quantum Studies, Beijing Normal University
Shancai Wang: Department of Physics and Beijing Key Laboratory of Opto-Electronic Functional Materials & Micro-Nano Devices, Renmin University of China

DOI: https://doi.org/10.1038/s41467-021-23536-8
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 8

Abstract

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The typical characters of the electronic structure of magnetic kagome materials remain elusive. Here, the authors observe a Dirac cone, a flat band and a saddle point near the Fermi energy in ferromagnetic kagome material YMn6Sn6.

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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