Is graphene on Ru(0001) a nanomesh?
  The electronic structure of a single layer graphene on Ru(0001) is compared with that of a single layer hexagonal boron nitride nanomesh on Ru(0001). Both are corrugated sp2 networks and display a pi-band gap at the K point of their 1 x 1 Brillouin zone. Graphene has a distinct Fermi surface which indicates that 0.1 electrons are transferred per 1 x 1 unit cell. Photoemission from adsorbed xenon identifies two distinct Xe 5p1/2 lines, separated by 240 meV, which reveals a corrugated electrostatic potential energy surface. These two Xe species are related to the topography of the system and have different desorption energies. 
Thomas Brugger (1), Sebastian G\"unther (2), Bin Wang (3), Hugo Dil (1   and 4), Marie-Laure Bocquet (3 and 2), J\"urg Oster...