Computer Simulation of Surface Diffusion of Copper on Copper (111) and (100) Surfaces

DOI

Description

The binding energies of a copper adatom and its cluster to the copper (111) surface have been calculated. The binding energy E N of an N-adatom cluster can be roughly written as E N = 3NE 1 + mE 2 , where 3N 1 is the binding energy of a single adatom to the (111) surface and m is the number of bonds within the cluster and E 2 is the binding energy of the bond within the cluster. It was found that E 1 = 0.87 eV and E 2 = 0.40 – 0.32 eV. The activation energies of motion of these adatom clusters and vacancies and di vacancies on copper (111) and (100) surfaces have been calculated by use of n-body embedded atom potentials and molecular dynamics.

Journal

  • MRS Proceedings

    MRS Proceedings 355 1994-01-01

    Springer Science and Business Media LLC

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