Melting a copper cluster: Critical droplet theory

Details Melting a copper cluster: Critical droplet theory Melting a copper cluster: Critical droplet theory

1992-07-20

arxiv.org/abs/cond-mat/9207023v1

Europhysics Lett. 26, 51 (1994)

Physics

Condensed Matter

10 pages

Scientific paper

We simulate the melting of a 71 A diameter cluster of Cu. At low temperatures the crystal exhibits facets. With increasing temperatures the open facets pre-melt, the melted regions coalesce into a liquid envelope containing a crystalline nucleus, and the nucleus finally goes unstable to the supercooled liquid. Using critical droplet theory and experimental data for Cu, we explain the thermodynamics of the coexistence region. The width of the transition scales as (Number of particles) to the power (-1/4).

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