Citation:
WANG Kun, LIU Juan-Fang, CHEN Qing-Hua. Molecular Dynamics Simulation of Pd Clusters Deposited on Pd/Ag Substrates[J]. Acta Physico-Chimica Sinica,
;2015, 31(11): 2091-2098.
doi:
10.3866/PKU.WHXB201509153
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Using molecular dynamics simulations, we investigated the microscopic processes of large palladium clusters deposited on Pd/Ag substrates at different incident velocities at the room temperature. We studied the impact process by analyzing the deposited morphology, embedded depth, diffusion degree of the cluster atoms, temperature variation in the collision region on the substrate, and energy conversion between the cluster and substrate. This analysis yielded the change rules of the deposited morphology, structural characteristics, and energy conversion for various cluster sizes, incident velocities, and substrates. Furthermore, we explored the deformation morphology of the first deposited cluster and the temperature of the collision contact region for various impact times of the second cluster. Shortening the impact time of the second cluster caused the clusters and substrate to better combine.
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