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Recent Advances in Moiré Superlattice Structures of Twisted Bilayer and Multilayer Graphene
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Twisted bilayer graphene(TBG), which has drawn much attention in recent years, arises from van der Waals materials gathering each component together via van der Waals force. It is composed of two sheets of graphene rotated relatively to each other. Moiré potential, resulting from misorientation between layers, plays an essential role in determining the band structure of TBG, which directly relies on the twist angle. Once the twist angle approaches a certain critical value, flat bands will show u... 相似文献
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