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Static Polarizabilities Of Charged Silver Metal Clusters Extracted From The Optical Spectra

Author

Listed:
  • JOSEF TIGGESBÄUMKER

    (Fachbereich Physik, Universität Rostock, Universitätsplatz 3, 18055 Rostock, Germany)

  • LARS KÖLLER

    (Fachbereich Physik, Universität Rostock, Universitätsplatz 3, 18055 Rostock, Germany)

  • KARL-HEINZ MEIWES-BROER

    (Fachbereich Physik, Universität Rostock, Universitätsplatz 3, 18055 Rostock, Germany)

Abstract

The use of sum rules appears to be a powerful tool for obtaining experimental data on static properties of charged metal clusters which are currently not available. For this purpose the optical spectra of the clusters must be known. The measured absorption profiles of sputtered, i.e. hot,$Ag_N^+$and$Ag_N^-$which have been measured in our group give information about the desired properties. The extracted static polarizabilities show a distinct shell structure which reflects the overall electronic shape of the cluster. A comparison is made withAgNand positive alkali metal clusters. The polarizabilities of closed-shell$Ag_N^+$and$Ag_N^-$are in reasonable agreement with SIC-LDA corrected RPA polarizabilities.

Suggested Citation

  • Josef Tiggesbäumker & Lars Köller & Karl-Heinz Meiwes-Broer, 1996. "Static Polarizabilities Of Charged Silver Metal Clusters Extracted From The Optical Spectra," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 509-513.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x96000929
    DOI: 10.1142/S0218625X96000929
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