Simulation of depositions of a Lennard-Jones cluster on a crystalline surface

Details Simulation of depositions of a Lennard-Jones cluster on a crystalline surface Simulation of depositions of a Lennard-Jones cluster on a crystalline surface

2009-05-11

arxiv.org/abs/0905.1606v4

Prog. Theor. Phys. 122 (2009), 1081-1094

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

14 pages, 9 figures ; will appear in Progress of Theoretical Physics, Vol. 122, No 5

Scientific paper

10.1143/PTP.122.1081

Depositions of amorphous Lennard-Jones clusters on a crystalline surface are numerically investigated. From the results of the molecular dynamics simulation, we found that the deposited clusters exhibit a transition from multilayered adsorption to monolayered adsorption at a critical incident speed. Employing the energy conservation law, we can explain the behavior of the ratio of the number of atoms adsorbed on the substrate to the cluster size. The boundary shape of the deposited cluster depends strongly on the incident speed and some unstable modes grow during the spread of the deposited cluster on the substrate. We also discuss the wettability between different Lennard-Jones atoms.

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