Abstract
Iron thin films between 1.5 and 3.75 ML grown on a reconstructed Au(111) surface have been studied by in situ magneto-optic Kerr effect in the polar and longitudinal geometries. In films with Fe coverage less than 2.8 ML, we observe a perpendicular magnetic anisotropy tendency at room temperature. With further iron deposition, the film exhibits a continuous spin reorientation from out-of-plane to in-plane. Distinct changes in the magnetic properties as a function of substrate quality and gold capping layer thickness may be related to different state of the film structures.
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