Ionization potential measurements of hydrogenated lithium clusters
β Scribed by B. Vezin; Ph. Dugourd; D. Rayane; P. Labastie; J. Chevaleyre; M. Broyer
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 366 KB
- Volume
- 26
- Category
- Article
- ISSN
- 1434-6060
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π SIMILAR VOLUMES
The ionization potentials of Li. clusters are obtained by photoionization. Shell effects are observed at n= 8 and n=20, as well as strong odd/even alternations. The results are compared with both the spherical shell model and ab initio calculations.
Threshold ionization potentials have been determined for a number of niobium cluster oxides, Nb,O,, n = 3-20, m= l-5. For most values of n, the ionization potential is only weakly dependent on the number of oxygen atoms. However, large changes with m occur for clusters with nine niobium atoms. We at
Double ionization potentials of argon clusters are measured using tunable synchrotron radiation. Small, unstable doubly charged argon cluster ions (A~ + ) are investigated with the photoion-photoion-coincidence technique. This technique is used to measure appearance potentials of dissociative double