Deposition of Small Clusters on Surface: a Molecular Dynamics Simulation

By using the molecular dynamics simulation,we have studied the dynamic behaviors of small energetic clusters deposited on the surface.We find that,at incident energy as low as 1.0eV/atom,the structure of the cluster is destroyed and cluster atoms form an epitaxial layer above the surface.At high energy incidence,the site exchange between cluster atom and surface atom is observed.The effects of the cluster size and orientation are discussed.