- Main
Observation of Topological Electronic Structure in Quasi-1D Superconductor TaSe3
- Chen, Cheng;
- Liang, Aiji;
- Liu, Shuai;
- Nie, Simin;
- Huang, Junwei;
- Wang, Meixiao;
- Li, Yiwei;
- Pei, Ding;
- Yang, Haifeng;
- Zheng, Huijun;
- Zhang, Yong;
- Lu, Donghui;
- Hashimoto, Makoto;
- Barinov, Alexei;
- Jozwiak, Chris;
- Bostwick, Aaron;
- Rotenberg, Eli;
- Kou, Xufeng;
- Yang, Lexian;
- Guo, Yanfeng;
- Wang, Zhijun;
- Yuan, Hongtao;
- Liu, Zhongkai;
- Chen, Yulin
- et al.
Published Web Location
https://doi.org/10.1016/j.matt.2020.09.005Abstract
A topological superconductor (TSC) is a new type of superconductor with non-trivial topology in its bulk electronic structure, which has great potential in both fundamental research and application. However, despite the intensive research efforts worldwide, to date only a few intrinsic (non-heterostructures) materials have been proposed as TSC candidates. In this work, following the theoretical prediction, we experimentally studied a newly proposed TSC candidate, TaSe3. The topological non-trivial surface states were directly observed by using angle-resolved photoemission spectroscopy, while the superconductivity of the compound was examined by both transport and scanning tunneling microscopy measurement. Therefore, TaSe3 was proved to be a promising candidate as a TSC, and a promising research platform for the related novel physics phenomena.
Main Content
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