CORE LEVEL PHOTOEMISSION FROM MONOSIZE MASS SELECTED PT CLUSTERS DEPOSITED ON SIO2 AND AMORPHOUS-CARBON

We here report core level photoemission spectra of mass selected monodispersed Pt clusters. The samples were produced from a mass selected cluster beam and deposited onto various substrates such that each sample contained clusters having an identical number of atoms. In this series of experiments we have followed the development of the Pt 4f core electron binding energy for different size clusters having between one and six Pt atoms. By comparing the results for two different substrate materials, naturally oxidized Si wafers and amorphous C films, we can evaluate the support interaction for these small clusters. © 1990 IOP Publishing Ltd.