EPJ Web of Conferences
Volume 15, 2011LAM14 - XIV Liquid and Amorphous Metals Conference
|Number of page(s)||4|
|Section||Liquid metals and alloys|
|Published online||18 May 2011|
Faraday rotation and magneto-optical figure of merit for the magnetite magnetic fluids
Department of Physics, Batumi State University, 35 Ninoshvili Street, Batumi, 6010, Georgia
In the present paper, using magnetite magnetic fluids as examples, we consider the optical and magneto-optical properties of magnetic fluids based on particles of magnetic oxides, for the optical constants of the material of which, n and k , the relation k2 ≺≺ n2 holds. In this work the Faraday rotation is represented within the theoretical Maxwell-Garnett model. A theoretical analysis has shown that Faraday rotation for magnetic fluids is related to the Faraday rotation on the material of particles by the simple relation. According to this result in specific experimental conditions the values of the Faraday rotation prorate to q , which is the occupancy of the volume of the magnetic fluid with magnetic particles and spectral dependences of effect in magnetic fluid and in the proper bulk magnetic are similar. We also show that the values of the magneto-optical figure of merit for ultrafine medium and for the bulk material are equal.
© Owned by the authors, published by EDP Sciences, 2011
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