Insights into the structures and electronic properties of Cun+1μ and CunS μ (n = 1-12; μ = 0, ±1) clusters.


ABSTARCT:The stability and reactivity of clusters are closely related to their valence electronic configuration. Doping is a most efficient method to modify the electronic configuration and properties of a cluster. Considering that Cu and S posses one and six valence electrons, respectively, the S doped Cu clusters with even number of valence electrons are expected to be more stable than those with odd number of electrons. By using the swarm intelligence based CALYPSO method on crystal structural prediction, we have explored the structures of neutral and charged Cun+1 and CunS (n = 1-12) clusters. The electronic properties of the lowest energy structures have been investigated systemically by first-principles calculations with density functional theory. The results showed that the clusters with a valence count of 2, 8 and 12 appear to be magic numbers with enhanced stability. In addition, several geometry-related-properties have been discussed and compared with those results available in the literature.


Sci Rep


Scientific reports


Li CG,Shen ZG,Hu YF,Tang YN,Chen WG,Ren BZ




Has Abstract


2017-05-02 00:00:00












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