Collision induced migration of adsorbates on surfaces

L. Romm*, M. Asscher, Y. Zeiri

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

The collision induced migration (CIM) of adsorbates on surfaces is identified and discussed. The CIM process has been studied using molecular dynamics simulations of the Ar/N2/Ru(001) system. The single adsorbed molecule can migrate over 150 angstroms following collisions at high energies and large angles of incidence. As coverage increases, inter-adsorbate collisions efficiently quench the migration distance. At high energies, the competing collision induced desorption becomes dominant, leaving behind only low energy adsorbates which migrate to relatively short distances.

Original languageEnglish
Pages (from-to)11023-11028
Number of pages6
JournalJournal of Chemical Physics
Volume110
Issue number22
DOIs
StatePublished - 8 Jun 1999

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