Size selected cluster deposition on well characterized surfaces: Ag{sub n}/Pd(100)

Journal Article · Fri Jun 20 00:00:00 EDT 1997 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.54555· OSTI ID:21179615

Vandoni, G; Felix, C; Harbich, W; Monot, R; Buttet, J ^[1]; Massobrio, C ^[2]

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1. Institut de Physique experimentale, Ecole Polytechnique Federale, 1015 Lausanne (Switzerland)
2. Institut de Physique et de Chimie des Materiaux de Strassbourg, 67037 Strassbourg (France)

We study the deposition of Ag ions, and size selected Ag{sub 7} and Ag{sub 19} cluster ions on Pd(100) at total kinetic energies of 20 eV and 95 eV using Thermal Energy Atom Scattering and Molecular Dynamics simulations. We find that at all energies Ag atoms are implanted into the substrate and Pd atoms are ejected in the adlayer. The experimental results in the case of Ag{sub 7} can be understood in taking into account both implantation of Ag atoms and heavy fragmentation. In the case of Ag{sub 19} the deposition leads at low temperature to non compact structures localized around the impact point. We propose a model in which morphology changes take place between 200 K and 300 K resulting in well separated compact structures formed of Ag and Pd adatoms.

• OSTI ID: 21179615
• Journal Information: AIP Conference Proceedings, Vol. 416, Issue 1; Conference: Symposium on similarities and differences between atomic nuclei and clusters, Tsukuba (Japan), 1-4 Jul 1997; Other Information: DOI: 10.1063/1.54555; (c) 1997 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
36 MATERIALS SCIENCE
ATOMIC CLUSTERS
CLUSTER BEAMS
COMPUTERIZED SIMULATION
CRYSTAL STRUCTURE
EV RANGE
ION IMPLANTATION
ION PAIRS
IONIZATION POTENTIAL
KINETIC ENERGY
MOLECULAR DYNAMICS METHOD
MORPHOLOGY
PALLADIUM
SCATTERING
SILVER IONS
SUBSTRATES
SURFACES
TEMPERATURE DEPENDENCE