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

P **ao, 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 …

Spectral signatures of a unique charge density wave in Ta2NiSe7

MD Watson, A Louat, C Cacho, S Choi, YH Lee… - Nature …, 2023 - nature.com
Abstract Charge Density Waves (CDW) are commonly associated with the presence of near-
Fermi level states which are separated from others, or “nested", by a wavector of q. Here we …

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 …

Charge density wave, enhanced mobility, and large nonsaturating magnetoresistance across the magnetic states of and

KK Kolincio, M Roman, F Garmroudi, M Parzer… - Physical Review B, 2024 - APS
We report on magnetotransport and thermoelectric properties of two ternary carbides HoNiC
2 and ErNiC 2 hosting both charge density wave and long-range magnetic order. In the …

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 …

Phonon dispersion and electronic structure in quasi-one-dimensional layered Ta 2 NiSe 7 single crystal

H Chen, Z Sun - Journal of Materials Chemistry C, 2021 - pubs.rsc.org
The formation mechanism of charge density wave (CDW) order in layered systems was
believed to arise from momentum-dependent electron–phonon coupling and electronic …

Anisotropy of 2H-NbSe2 in the superconducting and charge density wave states

C Zhang, S Qiao, H **ao, T Hu - Chinese Physics B, 2023 - iopscience.iop.org
Anisotropy is an important feature of layered materials, and a large anisotropy is usually
related to the two-dimensional characteristics. We investigated the anisotropy of the layered …