Coalescence of nanoscale metal clusters: Molecular-dynamics study

Details Coalescence of nanoscale metal clusters: Molecular-dynamics study Coalescence of nanoscale metal clusters: Molecular-dynamics study

2003-05-20

arxiv.org/abs/cond-mat/0305481v2

Phys. Rev. B 68, 241403(R) (2003)

Physics

Condensed Matter

5 figures

Scientific paper

10.1103/PhysRevB.68.241403

We study the coalescence of nanoscale metal clusters in an inert-gas atmosphere using constant-energy molecular dynamics. The coalescence proceeds via atomic diffusion with the release of surface energy raising the temperature. If the temperature exceeds the melting point of the coalesced cluster, a molten droplet forms. If the temperature falls between the melting point of the larger cluster and those of the smaller clusters, a metastable molten droplet forms and freezes.

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