ANGLE-RESOLVED PHOTOEMISSION-STUDY OF PD(111) AND CO PD(111)/

Electronic structure of epitaxial Co films on Pd(111) has been investi gated as a function of the Co overlayer thickness, by using angle-reso lved photoemission spectroscopy (ARPES). It is found that experimental band structures for Pd(111) and work functions for Co/Pd(111) agree r easonably well with the results of band structure calculations. Compar ed to Pd(111), valence band ARPES spectra of Co/Pd(111) support the ex istence of the induced magnetic polarization of Pd atoms near the inte rface, suggesting large hybridization between Co 3d and Pd 4d states n ear the interface.