THE STRUCTURE OF REACTED METAL CLUSTERS: PHOTOELECTRON SPECTRA OF${\rm{Pt}}_n^-$CLUSTERS REACTED WITH CO

H. Handschuh, G. Schulze Icking-Konert, G. Ganteför, P.S. Bechthold and W. Eberhardt
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H. Handschuh: Institut für Festkörperforschung, Forschungszentrum Jülich, 52425 Jülich, Germany
G. Schulze Icking-Konert: Institut für Festkörperforschung, Forschungszentrum Jülich, 52425 Jülich, Germany
G. Ganteför: Institut für Festkörperforschung, Forschungszentrum Jülich, 52425 Jülich, Germany
P.S. Bechthold: Institut für Festkörperforschung, Forschungszentrum Jülich, 52425 Jülich, Germany
W. Eberhardt: Institut für Festkörperforschung, Forschungszentrum Jülich, 52425 Jülich, Germany

Surface Review and Letters (SRL), 1996, vol. 03, issue 01, 643-647

Abstract: ${\rm{Pt}}_n^-$clusters produced by a laser-vaporization source are reacted with CO. The various reaction products${\rm{Pt}}_n ({{\rm{CO}})_m^-$are studied systematically using photoelectron spectroscopy of negatively charged clusters. First results are interpreted in terms of the Blyholder model. The spectra indicate an open electronic shell structure of the unsaturated and a closed shell structure of the saturated Pt carbonyls. For${\rm{Pt}}_3 ({{\rm{CO}})_6^-$emission from the 2π/5d hybrid orbital is directly observed. The assignment is supported by the measured vibrational fine structure.

Date: 1996
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DOI: 10.1142/S0218625X96001157

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