Numéro
J. Phys. IV France
Volume 07, Numéro C1, Mars 1997
7th INTERNATIONAL CONFERENCE ON FERRITES
Page(s) C1-729 - C1-730
DOI https://doi.org/10.1051/jp4:19971298
7th INTERNATIONAL CONFERENCE ON FERRITES

J. Phys. IV France 07 (1997) C1-729-C1-730

DOI: 10.1051/jp4:19971298

Optical and Magnetooptical Properties of Copper and Cobalt-Manganese Ferrite Thin Films

L. Stichauer1, Z. Simsa1, P. Tailhades2 and C. Despax2

1  Institute of Physics AS CR, Cukrovarnická 10, 16200 Praha 6, Czech Republic
2  Laboratoire de Chimie des Matériaux Inorganiques, URA 1311 du CNRS, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex, France


Abstract
Optical absorption and Faraday rotation of copper and cobalt-manganese ferrite thin films, prepared by sputtering, were measured in the visible and near infrared spectral regions. Main magneto-optical features can be explained by the respective transitions of CU2+ and Co2+ ions tetrahedrally and octahedrally coordinated. Annealings at 450 and 665°C cause migration of these ions into tetrahedral positions and, consequently, increase corresponding peaks in the figure of merit. Therefore, these films range among the promissing materials for the magneto-optical recording.



© EDP Sciences 1997