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Molecular dynamic method and Finnis Sinclair potential are used to study the e nergy characteristic of copper nanoclusters at room temperature and its changes during heating, by which we get the surface thickness and surface energy in diff erent cluster sizes at room temperature and get the probability density of energ y distribution of the copper nanoclusters at different temperatures. The differe nce of the energy characteristic during heating between the inner atoms and the surface atoms is given in detail.
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Keywords:
- copper nanoclusters /
- molecular dynamics /
- energy characteristic /
- temperature
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