First-principles studies of Cu clusters

Equilibrium geometries and electronic properties of neutral and anionic Cu-n (n = 2, 10) clusters are determined via first-principles calculations which treat s and d electrons on an equal footing. We find cluster shapes similar to those reported in the literature for Na-n clusters, but the highly coordinated structures are energetically preferred. Electronic states with atomic s character are strongly hybridized with d states and located mostly at the band edges. Angular decomposition of the electronic wave functions shows that the predictions of the shell model are followed only approximately in Cu-n clusters. Finally we interpret successfully the photoelectron spectrum of Cu-3(-) by accounting for final-state effects.


Published in:
Surface Review and Letters, 3, 1, 287-291
Year:
1996
ISSN:
0218-625X
Laboratories:




 Record created 2009-10-08, last modified 2018-03-17


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