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Evidence for electronic shell structure of small silver clusters in the optical absorption spectra

✍ Scribed by S. Fedrigo; W. Harbich; J. Belyaev; J. Buttet

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
428 KB
Volume
211
Category
Article
ISSN
0009-2614

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✦ Synopsis

The mean resonance energy (do> =R.fwwa(o) do/_fu(o) dw calculated from the optical absorption spectra ofAg, in solid Ar shows strong variations as a function of cluster size, giving maxima at n =8,18 and 34. This behavior is discussed in terms of the electronic shell model. Static dipole polarizabilities (Y, as a function of cluster size have been extracted. A comparison of the silver data to the LY, of alkali clusters shows striking similarities.

πŸ“œ SIMILAR VOLUMES

The optical absorption spectra of small
The optical absorption spectra of small silver clusters (n=5–11) embedded in argon matrices
✍ W. Harbich; S. Fedrigo; J. Buttet πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 452 KB

The optical absorption of small mass selected Ag. clusters (n = 57, 9, 11) embedded in solid Ar has been measured. Strong absorption has been found between 3 and 4.5 eV. The absorption spectra show l-3 major peaks depending on the cluster size. The width of these peaks is considerably smaller than c