Results of the solid-liquid transition of Ar13 cluster in a spherically symmetric external potential have been presented. The transition temperature is observed to show an elevation with pressure. The broadening of the heat capacity peaks indicate the transition becoming more diffused with pressure. The icosahedral structure of the cluster remains unaltered under pressure. Ar55 cluster has also been studied by similar approach. A possible connection between glass transition phenomenon and melting of clusters under pressure has been examined.
Volume 43, 2020
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