Delocalized electronic states in small clusters. Comparison of Nan, Cun, Agn, and Aun clusters
✍ Scribed by H. Handschuh; Chia-Yen Cha; H. Möller; P.S. Bechthold; G. Ganteför; W. Eberhardt
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 579 KB
- Volume
- 227
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Photoelectron spectra of Na; , Cu; , Ag; , and Au; clusters reveal the electronic structure of these particles. The experimental results are compared to the predictions of quantum chemical calculations and of the shell model. The spectra of Ag; allow for a stringent test of both approaches, because most of the observed features are assigned to s-derived orbitals and they also display much sharper features than the alkali data. A qualitative equivalence of the electronic shell model with high-level quantum chemical calculations in terms of the symmetries of the involved single particle orbitals is found for the delocalized states derived from the atomic s-electrons.