Strain-dependent one-dimensional confinement channels in twisted bilayer 1T-WTe
arXiv:2404.10557 · doi:10.1103/PhysRevB.110.045410
Abstract
The low symmetry and anistropic lattice of 1T WTe is responsible for the existence of parallel one-dimensional channels in the moiré patterns of twisted bilayers. This gives the opportunity to explore moiré physics of a different nature to that widely observed in twisted bilayers of materials with hexagonal symmetries. Here, we combine plane-wave and linear-scaling density functional theory calculations to describe the electronic properties of twisted bilayer 1T WTe. For a small change in the lattice parameters of the constituent 1T WTe monolayers, we find a substantial moiré-induced striped electrostatic potential landscape in the twisted bilayer, with a peak-to-trough magnitude 200~meV.
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