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Optical Properties of Mixed Cobalt Ferrites

Abstract : The optical properties of Co and Mg ferrigallate spinels have been studied near the magnetic transition. The cluster (CoFeO10)15 is characterized by a strong intensification of iron pair excitations and by the existence in ferrimagnetic compounds of a large electronic transition assigned to Co2+ → Fe3+ metal-metal charge transfer at 1.70-1.75 eV.
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https://hal.archives-ouvertes.fr/jpa-00254721
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Submitted on : Wednesday, January 1, 1997 - 8:00:00 AM
Last modification on : Wednesday, January 1, 1997 - 8:00:00 AM
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M. Lenglet, F. Hochu, J. Dürr. Optical Properties of Mixed Cobalt Ferrites. Journal de Physique IV Colloque, 1997, 07 (C1), pp.C1-259-C1-260. ⟨10.1051/jp4:19971100⟩. ⟨jpa-00254721⟩

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