Untangling charge-order dependent bulk states from surface effects in a topological kagome metal

ZJ Cheng, S Shao, B Kim, TA Cochran, XP Yang, C Yi… - Physical Review B, 2024 - APS
Kagome metals with charge density wave (CDW) order exhibit a broad spectrum of
intriguing quantum phenomena. The recent discovery of the novel kagome CDW compound …

Origin of the Anomalous Electrical Transports in Quasi-One-Dimensional Ta2NiSe7

L Liu, X Luo, X Yang, Y Li, W Tu, M Cheng… - The Journal of …, 2023 - ACS Publications
Exploration of exotic transport behavior is of great interest and importance for revealing the
properties of the CDW phase of quasi-one-dimensional Ta2NiSe7. We report the anisotropic …

Robust Edge States of Quasi-1D Material Ta2NiSe7 and Applications in Saturable Absorbers

P Xiao, X Sun, Y Chen, Y Han, ZM Yu, W Liu, X Li… - Nano Letters, 2024 - ACS Publications
The helical edge states (ESs) protected by underlying Z 2 topology in two-dimensional
topological insulators (TIs) arouse upsurges in saturable absorptions thanks to the strong …

Electric field effect on the charge density wave in the quasi-one-dimensional semimetal

C Yao, L Wen, Y Zhao, Y Zhu, Y Wang, G Tang, X Yan… - Physical Review B, 2024 - APS
The charge density wave (CDW) instability often requires the participation of electron density
of state at the Fermi level for the electronic energy gain in the structurally modulated phase …