Abstract
We studied the growth mode and electronic properties of ultra-thin silver films deposited on Ni(111) surface by means of scanning tunnelling microscopy (STM) and angle resolved photoemission spectroscopy (ARPES). The formation of the 4d-quantum well states (QWS) was analysed within the phase accumulation model (PAM). The electronic structure of the 1ML film is consistent with the silver layer which very weakly interacts with the supporting surface. The line-shape analysis of Ag-4dxz,yz QWS spectrum support the notion of strong localization of these states within the silver layer. The asymmetry of the photoemission peaks implies that the decay of the photo-hole appears to be influenced by the dynamics of the electrons in the supporting surface.
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