This article is cited in 4 papers

Phase transitions

Heat of melting of small clusters in the model of the potential with the effective well depth

G. A. Mel'nikov

Southwest State University, Kursk

Abstract: Within the framework of the cluster model using the Mie pair power-law interaction potential with the effective depth of the potential well, whose depth is determined by the number of particles in the cluster, an equation for the calculation of the heat of melting of cluster systems is obtained. The resulting mathematical expression does not contain empirical constants and shows that the ratio of the heat of melting of a cluster to the heat of melting of a macroscopic sample is a universal function of the number of particles in the cluster and mathematically described by the square of the hyperbolic tangent.

Received: 25.10.2017
Revised: 27.11.2017

DOI: 10.21883/FTT.2018.05.45800.304

 English version: Physics of the Solid State, 2018, 60:5, 1000–1004

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