Abstract: Strong changes were observed in the Faraday rotation (FR) spectra of multilayered Co/SiO$-2$/ films in comparison with homogeneous Co films: whereas the FR in homogeneous Co films decreased monotonically as the light wave length $lambda decreased, FR in multilayered films increased with the $lambda decreasing. The rate of the FR increase with respect to the change in $lambda was progressively greater the thicker the SiO$-2$/ layers and greater the number of layers.!7
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