Band Gap Opening Induced by the Structural Periodicity in Epitaxial Graphene Buffer Layer

Authors:

N. Nair, Maya; Palacio, Irene; Celis, Arlensiú; Zobelli, Alberto; Gloter, Alexandre; Kubsky, Stefan; Turmaud, Jean-Philippe; Conrad, Matthew; Berger, Claire; de Heer, Walter; Conrad, Edward H.; Taleb-Ibrahimi, Amina; Tejeda, Antonio