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A simplified theoretical model to describe the melting of metal nanocrystals
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DOI：10.1039/D6CP01786J.png)
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Abstract
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Accurate prediction of the thermal stability of nanocrystals is of great significance for their synthesis; the design of multifunctional quantum devices; and the assessment of device service life. In this work; a theoretical model is established by introducing the solid-liquid interface energy γ sl to describe the size-dependent melting temperature T m (D) of nanocrystals. The model is validated against experimental and simulation data a wide range of metals; including Ni; Al; Sn; Au; Ag; Bi; Cu; Pd; In; and Pb. The results demonstrate that the proposed model provides more accurate predictions; thereby offering theoretical guidance for experimental synthesis and device design.
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