Magneto-optical effects of aluminum and ferrous substituted cobalt ferrite
- 1 November 1982
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 53 (11) , 8178-8180
- https://doi.org/10.1063/1.330284
Abstract
The polar Kerr rotation of polycrystalline CoFe2−xAlxO4 (0≤x≤0.8) and CoxFe3−xO4 (0≤x≤1.0) was measured in the energy region 0.6 eV≤E≤5.5 eV. The Faraday rotation of thin polycrystalline films of CoFe2−xAlx O4 (x=0.1 and 0.6) was measured in the energy region of 0.6 eV≤E≤2.8 eV. The spectra in the energy region below 3 eV are discussed in terms of crystal field transitions of Co2+ (Td). Furthermore a new intense transition is observed around 2 eV. This transition is assigned to a charge transfer of Co2+ to Fe3+, both on the octahedral site.This publication has 10 references indexed in Scilit:
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