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Density functional study of Agn-1Y (n=2–10) clusters |
Liu Xiao-Yong(刘小勇)a), Zhu Zheng-He(朱正和)b), and Sheng Yong(盛勇)a)† |
a College of Material Science and Engineering, Sichuan University, Chengdu 610065, China; b Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China |
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Abstract Employing the density functional theory, we investigate the lowest-energy geometric, the stable and the electronic properties of Agn-1Y (n=2-10) clusters in this paper. The structural optimization and the frequency analysis are performed at the B3LYP/LANL2DZ level. Meanwhile, the differences in geometry, stability and electronic properties between Agn and Agn-1Y (n=2-10) clusters are also studied. The results show that for the doping of the yttrium atoms, the structures and the average binding lengths of the Agn clusters are greatly changed. In addition, the thermodynamic stabilities of the Agn clusters are enhanced generally with the doping of the Y atoms. In addition, the chemical stabilities of the Agn-1Y clusters are still improved compared with that of the three-dimensional Agn clusters.
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Received: 25 June 2010
Revised: 25 May 2011
Accepted manuscript online:
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PACS:
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31.15.A-
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(Ab initio calculations)
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36.40.Mr
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(Spectroscopy and geometrical structure of clusters)
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71.15.Mb
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(Density functional theory, local density approximation, gradient and other corrections)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10676022). |
Cite this article:
Liu Xiao-Yong(刘小勇), Zhu Zheng-He(朱正和), and Sheng Yong(盛勇) Density functional study of Agn-1Y (n=2–10) clusters 2011 Chin. Phys. B 20 113101
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