Shell-resolved melting kinetics of an icosahedral cluster

Details Shell-resolved melting kinetics of an icosahedral cluster Shell-resolved melting kinetics of an icosahedral cluster

2008-01-05

arxiv.org/abs/0801.0774v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

Molecular dynamics calculations of the fluctuation of bond vibration revealed the shell-resolved kinetics of surface melting of closed-shelled cluster containing 147atoms with Lennard-Jones type interaction. It is found that the surface melting is imitated by the migrating of the vertex atoms and the melting process can be divided into three major stages, i.e., vertex migrating, surface melting, and general melting. Although the melting process of the LJ147 cluster could be divided into discrete stages of shell-by-shell surface melting, in general, there is still a continuous process of melting from the surface to the core interior.

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