The Effect of Impurity Atoms on the Structural and Electronic Properties of Au3 Clusters

Dong Mei Li; Zhi Hua Xiong; Qi Xin Wan

doi:10.4028/www.scientific.net/AMR.507.21

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 507The Effect of Impurity Atoms on the Structural and...

The Effect of Impurity Atoms on the Structural and Electronic Properties of Au₃ Clusters

Abstract:

With density functional theory, the structural and electronic properties of Au3 and Au2M (M=Ag, Cu, Pd and Pt) clusters have been studied. The structural results indicate that by substituting one Au atom with M atom, the corresponding geometries are changed slightly. To investigate the electronic properties, bonding properties and highest occupied molecular orbital (HOMO) were observed. It is found that most trends in Au2Pd and Au2Pt are similar and it also happens in the other two doped clusters. In addition, the calculated mulliken overlap populations suggest that doping modify the localized electron between Au and Au atom. It is also found that the contributions from various atoms on HOMO and energies of HOMO are changed. These may make difference in the adsorption of clusters.

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Periodical:

Advanced Materials Research (Volume 507)

Pages:

21-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.507.21

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Online since:

April 2012

Authors:

Dong Mei Li, Zhi Hua Xiong, Qi Xin Wan

Keywords:

Au, Cluster, Electronic Properties

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