Reentrant Adhesion Behavior in Nanocluster Deposition

Physics – Condensed Matter – Materials Science

Scientific paper

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7 pages, 6 figures

Scientific paper

10.1103/PhysRevLett.97.186103

We simulate the collision of atomic clusters with a weakly attractive surface using molecular dynamics in a regime between soft-landing and fragmentation, where the cluster undergoes large deformation but remains intact. As a function of incident kinetic energy, we find a transition from adhesion to reflection at low kinetic energies. We also identify a second adhesive regime at intermediate kinetic energies, where strong deformation of the cluster leads to an increase in contact area and adhesive energy.

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