Abstract
In this paper the magneto-optical polar Kerr rotation spectra of compositionally modulated films (CMF) Co/Pt are calculated by using Fresnel's equations. For CMF Co/Pt with dCo/dPt=1/2, 1 and 2 the magneto-optical Kerr rotation at any wavelength increases with the increasing modulation wavelength in the wavelength region from 200 to 800 nm. For CMF Co/Pt of constant dPt the Kerr rotation increases with dCo increasing while of constant dCo the Kerr rotation increases with dPt decreasing. From numerical calculations it is suggested that for CMF Co/Pt with small dPt the Pt sublayer is polarized and has a positive contribution to the Kerr rotation of CMF Co/Pt.
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