Nature of binding in small metal clusters
โ Scribed by I. G. Kaplan
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 173 KB
- Volume
- 74
- Category
- Article
- ISSN
- 0020-7608
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โฆ Synopsis
The ab initio many-body model potentials for the Li and Be clusters 3 3 are constructed. Analysis of its exchange and dispersion contributions allows to elucidate the nature of binding in these clusters. The Li clusters are formed by the covalent 3 chemical bonding, although the interstitial orbitals revealed in the spin-coupled studies of Gerratt and coauthors make the binding picture in the Li clusters far enough from N the convential covalent picture. The binding in the Be clusters has a mixed physical and 3 chemical nature: it is provided by the additive van der Waals forces and the nonadditive three-body exchange forces.
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