Analysis of atomic Moiré patterns on graphene/Rh(1 1 1)

In scanning tunneling microscopy the lattice mismatch between graphene and Rh(1 1 1) is observed as an additional superstructure. This superstructure is called Moiré pattern. Various symmetry sites occur in a Moiré pattern. These are distinguished by the arrangement of the graphene lattice over the Rh(1 1 1) lattice. The symmetry sites of the Moiré unit cell are investigated by scanning tunneling microscopy and spectroscopy. The observed...