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2D materials

2D materials

Graphene ribbons advance twistronics

19 Sep 2023 Isabelle Dumé
A curved graphene ribbon, illustrated in grey, shown laid flat against another graphene sheet. The ribbon layer is bent into a shape that resembles a semi-circular arch
On the curve: A curved graphene ribbon, illustrated in grey, shown laid flat against another graphene sheet. There is a continuous change in the twist angle between the ribbon above and the sheet below. In some places the atomic lattices of the two sheets line up at a 0° angle to each other, while in others, they are twisted relative to each other by as much as 5°. (Courtesy: Cory Dean, Columbia University)
Ribbons of graphene, rather than squares, could make a better platform for probing the unusual elect

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Isabelle Dumé is a contributing editor to Physics World
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