Abstract
Self-consistent Hartree-Fock-Slater model cluster calculations are made in order to investigate the electronic structure of transition metal surfaces. Orbital energies and results of Mulliken's population analysis are presented for Ni5, Ni9, Pd9, Pd19 and W9 clusters. The level structures of the clusters are given by density-of-states(DOS) curves. Total DOS's for Ni9, Pd9 and W9 clusters are very similar to UPS spectra of the corresponding metals. The largest cluster of the Pd19 is found to have certain bulk properties in comparison with the bulk band, and is also in fine agreement with UPS spectra. Electron charge transfer among the constituent atoms of the cluster, and surface states of these metals are also discussed.
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