Orbital-selective Dirac fermions and extremely flat bands in frustrated kagome-lattice metal CoSn
oleh: 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
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2020-08-01 |
Deskripsi
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.