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- W4313332283 abstract "Twisted multilayers of two-dimensional (2D) materials are an increasingly important platform for investigating quantum phases of matter, and in particular, strongly correlated electrons. The moir'e pattern introduced by the relative twist between layers creates effective potentials of long-wavelength, leading to electron localization. However, in contrast to the abundance of 2D materials, few twisted heterostructures have been studied until now. Here we develop a first-principle continuum theory to study the electronic bands introduced by moire patterns of twisted Janus transition metal dichalcogenides (TMD) homo- and hetero-bilayers. The model includes lattice relaxation, stacking-dependent effective mass, and Rashba spin-orbit coupling. We then perform a high-throughput generation and characterization of DFT-extracted continuum models for more than a hundred possible combinations of materials and stackings. Our model predicts that the moir'e physics and emergent symmetries depend on chemical composition, vertical layer orientation, and twist angle, so that the minibands wavefunctions can form triangular, honeycomb, and Kagome networks. Rashba spin-orbit effects, peculiar of these systems, can dominate the moir'e bandwidth at small angles. Our work enables the detailed investigation of Janus twisted heterostructures, allowing the discovery and control of novel electronic phenomena." @default.
- W4313332283 created "2023-01-06" @default.
- W4313332283 creator A5005174623 @default.
- W4313332283 creator A5082559065 @default.
- W4313332283 creator A5088432216 @default.
- W4313332283 date "2022-12-29" @default.
- W4313332283 modified "2023-10-15" @default.
- W4313332283 title "Twistronics of Janus transition metal dichalcogenide bilayers" @default.
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