Impact-driven effects in thin-film growth: steering and transient mobility at the Ag(110) surface

Details Impact-driven effects in thin-film growth: steering and transient mobility at the Ag(110) surface Impact-driven effects in thin-film growth: steering and transient mobility at the Ag(110) surface

2008-04-07

arxiv.org/abs/0804.1020v1

Nanotechnology 17, 3556-3562 (2006)

Physics

Condensed Matter

Materials Science

7 pages, 9 figures

Scientific paper

10.1088/0957-4484/17/14/033

Low-energy atomic impacts on the Ag(110) surface are investigated by molecular dynamics simulations based on reliable many-body semiempirical potentials. Trajectory deflections (steering) caused by the atom-surface interaction are observed, together with impact-following, transient-mobility effects. Such processes are quantitatively analysed and their dependence on the initial kinetic energy and on the impinging direction is discussed. A clear influence of the surface anisotropy on both steering and transient mobility effects is revealed by our simulations for the simple isolated-atom case and in the submonolayer-growth regime. For the latter case, we illustrate how steering and transient mobility affect the film morphology at the nanoscale.

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