| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Molecular Dynamics Simulation of Icosahedral Transformations in Solid Cu-Co Clusters |
| LI Guo-Jian, WANG Qiang, LIU Tie, LI Dong-Gang, LU Xiao, HE Ji-Cheng |
| Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang 110004 |
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| Cite this article: |
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LI Guo-Jian, WANG Qiang, LIU Tie et al 2009 Chin. Phys. Lett. 26 036104 |
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Abstract We study the icosahedral transformations of solid Cu-Co clusters with different initial configurations by using molecular dynamics with the embedded atom method. It is found that the formation of symmetric icosahedral cluster is strongly related to the atomic number and initial configuration. The transformation originates from the surface into the interior of the cluster and is a structural change which is rapid and diffusionless. The icosahedral clusters with any composition and configuration, such as core-shell or three-shell cluster, can be prepared by the means of solid-solid phase transition in bimetallic clusters.
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| Keywords:
61.46.Bc
36.40.Ei
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Received: 16 September 2008
Published: 19 February 2009
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| PACS: |
61.46.Bc
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(Structure of clusters (e.g., metcars; not fragments of crystals; free or loosely aggregated or loosely attached to a substrate))
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36.40.Ei
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(Phase transitions in clusters)
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