Atom dynamics of micro-clusters on atomically smooth surfaces

Zusammenfassung

The partial phonon densities for different displacements of mono-atomic micro-clusters on atomically smooth surfaces of FCC crystals as well as for pyramidal micro-clusters on the surface of a BCC crystal are calculated by the Jacobi matrix method. The stability of these clusters is analyzed and the temperature dependencies of root-mean displacements are obtained for atoms in different positions of such structures. (C) 2000 Academic Press.