Title:
Faraday rotation in Co₀.₈₅Zn₀.₁₅Fe₂O₄ spinel ferrite nanoparticulate films under low applied fields

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Anderson, Richard M.
Vestal, Christy Riann
Samia, Anna C. S.
Zhang, Z. John
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Abstract
Films of Co₀.₈₅Zn₀.₁₅Fe₂O₄ nanoparticles were prepared on silanized glass substrates using aminobenzoic acid/imidazole-modified magnetic nanoparticles. Dispersive Faraday rotations in the nanoparticulate films were observed as 1.0°–3.0° under relatively low applied magnetic field strengths of less than 500 Oe. The magnitude of the Faraday rotation increases with increasing thickness of the prepared films. No differences in the Faraday rotation were observed for Co0.85Zn0.15Fe2O4 nanoparticles as the particle size varied from 12 to 18 nm.
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2004-04
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