Abstract

Optical and magneto-optical properties of several single and layered Co-, Ti- and Al-substituted hexaferrite thin films prepared by the sol-gel method were investigated. The Faraday coefficient exhibits pronounced extrema in the infrared and visible part of the spectra. Broad maxima of the figure of merit at 700 to 900 and 1400 to 1800 nm regions show that some of the materials could be considered as the candidates for magneto-optical recording materials at interesting laser wavelngths of 800 and 1500 nm.

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