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Quantum molecular interpretation of absorption spectra of small alkali metal clusters (1991)

Bonačić-Koutecký, V. ; Fantucci, P. ; Gaus, J. ; [weitere]

Springer

The European physical journal 19 (1991), S. 37-41

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Details

ISSN: 1434-6079

Schlagwort(e): 36.40 +d ; 33.20.Uf ; 31.20.−d

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The ab initio CI study of excited states of alkali metal clusters accounts for spectroscopical patterns obtained from the photodepletion spectra of the neutral or cationic species, predicts the excitation energies and transition intensities in the complete agreement with the measured quantities and permits an assignment of the cluster structures. The calculated optical spectra for various clusters with 4 and 8 valence electrons are compared: Na4, Li4, LiNa3; Na8 and Na 9 + . A molecular interpretation of the rich spectra of tetramers as well as of the dominant intense transitions located at ∼2.5–2.7 eV in the case of Na8 and Na 9 + with the weak fine structure shifted to the red is given.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01448250

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