An Atomistic Insight into Moire Reconstruction in Twisted Bilayer Graphene beyond the Magic Angle.

ABSTRACT: Twisted bilayer graphene exhibits electronic properties strongly correlated with the size and arrangement of moiré patterns. While rigid rotation of the two graphene layers results in a moiré interference pattern, local rearrangements of atoms due to interlayer van der Waals interactions result in atomic reconstruction within the moiré cells. Manipulating these patterns by controlling the twist angle and externally applied strain provides a promising route to tuning their properties. Atomic reconstruction has been extensively studied for angles close to or smaller than the magic angle (θ _m = 1.1°). However, this effect has not been explored for applied strain and is believed to be negligible for high twist angles. Using interpretive and fundamental physical measurements,

SUBMITTER: Dey A 

PROVIDER: S-EPMC10043875 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature