The adsorption and energy barriers for diffusion on clusters of C60 molecules were studied by means of quenched molecular dynamics simulations. The interaction among the C60 molecules was modelled by means of the Girifalco potential. Three different clusters structures were considered: a truncated octahedron of 38 molecules, an icosahedron of 55 molecules and a truncated decahedron of 75 molecules.

Adsorption and Diffusion on Nanoclusters of C60 Molecules. Baletto, F., Doye, J.P.K., Ferrando, R., Mottet, C.: Surface Science, 2003, 532-535, 898-904