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On-chip control of twist angle in 2D materials

Published on:

20 November 2023

Primary Category:

Mesoscale and Nanoscale Physics

Paper Authors:

Haoning Tang,

Yiting Wang,

Xueqi Ni,

Kenji Watanabe,

Takashi Taniguchi,

Shanhui Fan,

Eric Mazur,

Amir Yacoby,

Yuan Cao

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Key Details

MEMS device allows voltage control of twist angle and separation of 2D sheets

Device enables tuning of moiré patterns and circular dichroism in 2D materials

Allows access to synthetic meron topological features in nonlinear susceptibility

May enable tunable classical and quantum light sources

AI generated summary

On-chip control of twist angle in 2D materials

Researchers developed a microelectromechanical system (MEMS) device that allows voltage-controlled manipulation of the twist angle and interlayer separation between two sheets of 2D material. This enables tuning of interfacial properties like moiré patterns and circular dichroism. Potential applications include tunable classical and quantum light sources.

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