- Main
Observation of Topological Electronic Structure in Quasi-1D Superconductor TaSe3
- Chen, C;
- Liang, A;
- Liu, S;
- Nie, S;
- Huang, J;
- Wang, M;
- Li, Y;
- Pei, D;
- Yang, H;
- Zheng, H;
- Zhang, Y;
- Lu, D;
- Hashimoto, M;
- Barinov, A;
- Jozwiak, C;
- Bostwick, A;
- Rotenberg, E;
- Kou, X;
- Yang, L;
- Guo, Y;
- Wang, Z;
- Yuan, H;
- Liu, Z;
- Chen, Y
- 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.
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