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Issue 25, 2020
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The melting temperature of nanorods: diameter and length dependences

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Abstract

A thermodynamic model for the diameter- and length-dependent melting temperature Tm(D,L) of nanorods has been proposed from the perspective of the Gibbs free energy together with the size-dependent interface energy, where D and L denote the diameter and the length of the nanorods. As the model describes, Tm(D,L) decreases with a decrease in D and L, where the diameter effect is dominant while the length effect is secondary. Agreements between model predictions and the available experimental and molecular dynamics simulation results can be found for Sn and Cu nanorods, which enabled us to determine the size dependence of the magnetostructural transition temperature in MnBi nanorods. This work is helpful for the design and application of nanoscale devices.

Graphical abstract: The melting temperature of nanorods: diameter and length dependences

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Article information


Submitted
18 Apr 2020
Accepted
04 Jun 2020
First published
05 Jun 2020

Phys. Chem. Chem. Phys., 2020,22, 14210-14215
Article type
Paper

The melting temperature of nanorods: diameter and length dependences

Z. Zhang, X. Meng, H. Lu and M. Li, Phys. Chem. Chem. Phys., 2020, 22, 14210
DOI: 10.1039/D0CP02091E

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