Abstract

For studying the melting point depression of metals, isolated metallic nanoparticles embedded in a matrix are usually prepared by mechanical milling. Al is the main available matrix material. In this work, to explore possible alternative matrices for further investigation of melting, mechanically milled metal–nonmetal systems are developed, namely Sn–LiF, Zn–LiF and Zn–Al2O3. The outcome indicates that different matrices do not have a significantly different influence on the melting of Sn and Zn. Theoretical analyses of both the thermodynamics and kinetics of surface-induced melting may support this experimental finding.

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