Abstract
In this paper we present a review on the alloying effects on the energetic, structural, electronic, and optical properties of small bimetallic clusters. Density Functional Theory is used to obtain the ground state electronic structure and the optical response of the clusters. The stability of mixed alkali metal clusters can be understood in terms of the electronic shell model. Electronic shell closing effects also appear in alkali clusters doped with higher valence metals, although reordering zn the electronic levels occurs in some cases giving rise to different magic numbers. Ab initio calculations support this view. The influence of the geometrical structure (mixed or segregated) on the collective electronic response of bimetallic clusters is analyzed. Finally we study clusters which may have relevance for understanding the properties of liquid ionic alloys.
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Alonso, J.A., López, M.J. (1999). Electronic Structure of Bimetallic Clusters Based on Alkali Elements. In: Jellinek, J. (eds) Theory of Atomic and Molecular Clusters. Springer Series in Cluster Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-58389-6_11
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DOI: https://doi.org/10.1007/978-3-642-58389-6_11
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