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Melting Transition of Small Aluminium Clusters Al11-20 |
| ZHANG Wei1,2;ZHANG Feng-Shou1,2;ZHU Zhi-Yuan3 |
| 1The Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 1008752Beijing Radiation Center, Beijing 1008753Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800 |
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ZHANG Wei, ZHANG Feng-Shou, ZHU Zhi-Yuan 2007 Chin. Phys. Lett. 24 1915-1918 |
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Abstract Heat capacities of small aluminium clusters Al11-20 are investigated using MD simulation with empirical many-body Gupta potential. The heat capacities of some clusters Al11, Al12, Al13 and Al19 show well-defined peaks while the
heat capacities of Al15-18 indicate a gradual melting transition. The spectra of isomers obtained by quenches along the MD trajectory give good interpretation for those results.
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| Keywords:
36.40.Ei
61.46.+w
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Received: 22 March 2007
Published: 25 June 2007
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