The magic angle

18 Jan 2023

LMU physicists have uncovered mysterious properties of twisted trilayer graphene

Graphene is an uncommonly versatile material. This versatility is based in part on the unusual properties of its components. As an isolated monolayer, its low-energy electrons behave as massless Dirac fermions and move with extremely high velocity. But when two graphene sheets are twisted atop one another at a ‘magic angle’ of 1.1°, the electrons slow to a relative crawl and behave collectively.


Image shows the complex crossing structure of the magneto resistance in twisted trilayer graphene device in perpendicular magnetic field.

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