Abstract

High precision, in-situ measurements of the magneto-optical polar Kerr rotation have been made continuously during the deposition of a series of Co and Pt multiple layers deposited by d.c. magnetron sputtering. Induced inhomogeneous magnetic moments in the Pt have been clearly observed and shown to fit very well to an exponentially decaying spatial function. The measured variations of Kerr rotation throughout the deposition of the Co and Pt layers can be simulated by classical electromagnetic theory using the optical and magneto-optical constants for Co and Pt. The latter are deduced from independent ex-situ measurements on several Co/Pt multilayers,

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