Nature Communications (Aug 2020)
Orbital-selective Dirac fermions and extremely flat bands in frustrated kagome-lattice metal CoSn
- Zhonghao Liu,
- Man Li,
- Qi Wang,
- Guangwei Wang,
- Chenhaoping Wen,
- Kun Jiang,
- Xiangle Lu,
- Shichao Yan,
- Yaobo Huang,
- Dawei Shen,
- Jia-Xin Yin,
- Ziqiang Wang,
- Zhiping Yin,
- Hechang Lei,
- Shancai Wang
Affiliations
- Zhonghao Liu
- State Key Laboratory of Functional Materials for Informatics and Center for Excellence in Superconducting Electronics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
- 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
- Chenhaoping Wen
- School of Physical Science and Technology, ShanghaiTech University
- Kun Jiang
- Department of Physics, Boston College
- Xiangle Lu
- State Key Laboratory of Functional Materials for Informatics and Center for Excellence in Superconducting Electronics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
- Shichao Yan
- School of Physical Science and Technology, ShanghaiTech University
- Yaobo Huang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences
- Dawei Shen
- State Key Laboratory of Functional Materials for Informatics and Center for Excellence in Superconducting Electronics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
- Jia-Xin Yin
- Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University
- Ziqiang Wang
- Department of Physics, Boston College
- Zhiping Yin
- Department of Physics and Center for Advanced Quantum Studies, Beijing Normal University
- Hechang Lei
- Department of Physics and Beijing Key Laboratory of Opto-Electronic Functional Materials&Micro-Nano Devices, Renmin University of China
- 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/s41467-020-17462-4
- Journal volume & issue
-
Vol. 11,
no. 1
pp. 1 – 7
Abstract
The understanding of kagome bands, which are characterized by Dirac-like bands capped by a flat band, remains largely elusive. Here, Liu et al. report the observation of a flat band and Dirac bands as ideal features of kagome bands in CoSn, revealing orbital-selective character.
