2024-09-10 Research News

Magnetic fields can engineer flat bands in twisted graphene layers to create a new playground for exotic physics, RIKEN physicists have shown.
The exotic properties of graphene—a single layer of carbon atoms in a hexagonal lattice—are now well established. Electrons effectively move through graphene as if they have no mass. This is an exciting prospect for creating electronic devices with functionalities beyond those of silicon.
But things get even weirder when two or more layers of graphene are combined.

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Reference

  1. Congcong Le, Qiang Zhang, Fan Cui, Xianxin Wu, and Ching-Kai Chiu, Double and Quadruple Flat Bands Tuned by Alternative Magnetic Fluxes in Twisted Bilayer Graphene, Phys. Rev. Lett. 132, 246401 (2024), doi: 10.1103/PhysRevLett.132.246401

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