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Nanospot angle-resolved photoemission study of Bernal-stacked bilayer graphene on hexagonal boron nitride: Band structure and local variation of lattice alignment
Heterostructures composed of two-dimensional (2D) materials placed on insulating substrates are of great interest because they exhibit tunable electronic and optical properties that enable novel optoelectronic devices. Directly accessing the electronic band structure of such heterostructures is challenging because of their micron-scale size. The recent development of nanospot angle-resolved photoemission …