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Observation of Electrically Tunable van Hove Singularities in Twisted Bilayer Graphene from NanoARPES
Abstract The possibility of triggering correlated phenomena by placing a singularity of the density of states near the Fermi energy remains an intriguing avenue toward engineering the properties of quantum materials. Twisted bilayer graphene is a key material in this regard because the superlattice produced by the rotated graphene layers …