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Structures and electronic properties of the SiAun (n= 17-20) clusters
作者:Huai-Wei Yang, Wen-Cai Lu*, Li-Zhen Zhao, Wei Qin, Wen-Hua Yang, and Xu-Yan Xue
關(guān)鍵字:SiAun, Clusters
論文來源:期刊
具體來源:Journal of Physical Chemistry A
發(fā)表時(shí)間:2013年
The structures and electronic properties of the SiAun (n = 17–20) clusters are systematically investigated using DFT calculations. The result shows that doping with silicon would significantly change the structures of the gold clusters. For the SiAun (n = 17–20) clusters, the lowest-energy structures exhibit shell-like cage configuration in which the dopant Si atom binds to the cage surface and one Au atom skips to the top of the Si atom forming a SiAu5 or SiAu6 subunit except SiAu19, which is a tetrahedron-like structure with a protruding Au atom. The Au atoms of the SiAun (n = 17–20) clusters carry different partial charges due to their different locations.
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