Yi Chan

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cond-mat.mtrl-sci2025

Ultrafast dynamics of three-dimensional Kane plasmons in the narrow-bandgap Hg $_{0.8}$ Cd $_{0.2}$ Te

Xiaoyue Zhou, Yi Chan, Siyuan Zhu +3

We report on an ultrafast terahertz spectroscopic study on the dynamics of free carriers and the pertinent bulk plasmons in Hg $_{0.8}$ Cd $_{0.2}$ Te (MCT) film, a narrowband semicond…

cond-mat.mtrl-sci2024

Light-induced percolative topological phase transition in type-II Weyl semimetal WTe2

Xiaoyue Zhou, Fu Deng, Yifan Gao +5

We report on an ultrafast terahertz free-carrier dynamic study of a photo-excited WTe2 thin film. In the photo-excited state, we observe a metastable electronic state featuring neg…

Ultrafast dynamics of three-dimensional Kane plasmons in the narrow-bandgap Hg0.8​Cd0.2​Te

Light-induced percolative topological phase transition in type-II Weyl semimetal WTe2

Ultrafast dynamics of three-dimensional Kane plasmons in the narrow-bandgap Hg $_{0.8}$ Cd $_{0.2}$ Te