# Electrically tunable correlated and topological states in twisted monolayer–bilayer graphene

@article{Chen2020ElectricallyTC,
title={Electrically tunable correlated and topological states in twisted monolayer–bilayer graphene},
author={Shaowen Chen and Minhao He and Ya-Hui Zhang and Valerie Hsieh and Zaiyao Fei and K. Watanabe and Takashi Taniguchi and David H. Cobden and Xiaodong Xu and Cory R. Dean and Matthew Yankowitz},
journal={arXiv: Mesoscale and Nanoscale Physics},
year={2020}
}
• Published 23 April 2020
• Physics
• arXiv: Mesoscale and Nanoscale Physics
Twisted van der Waals heterostructures with flat electronic bands have recently emerged as a platform for realizing correlated and topological states with an extraordinary degree of control and tunability. In graphene-based moire heterostructures, the correlated phase diagram and band topology depend strongly on the number of graphene layers, their relative stacking arrangement, and details of the external environment from the encapsulating crystals. Here, we report that the system of twisted…
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Small-angle twisted bilayer–bilayer graphene is tunable by the twist angle and electric and magnetic fields, and can be used to gain further insights into correlated states in two-dimensional superlattices.