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Magnetic Properties of Nanostructured Film Composed of Co-Ferrite Nanoparticles and Metal Co Prepared by Combination of Electrophoretic Deposition and Electroplating

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3 Author(s)
Hayashi, Y. ; Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan ; Hashi, S. ; Ishiyama, K.

The nanostructured film composed of the Co-ferrite embedded in the metal Co matrix was fabricated by the electrophoretic deposition (EPD) of Co-ferrite particles and electroplating of metal Co in combination. Metal Co as the soft magnetic material and Co-ferrite nanoparticle (10-40 nm) as the hard magnetic material were utilized. In this film, the small clusters of the Co-ferrite nanoparticles deposited by the EPD on the Cu sputtered substrate are embedded in electroplating the metal Co. The structure, like the granular, composed of Co-ferrite nanoparticles and metal Co was observed in the cross-section image of the nanostructured film. The nanostructured film barely exhibited the magnetic properties given the saturation magnetization from metal Co and the coercivity from Co-ferrite nanoparticles.

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Magnetics, IEEE Transactions on  (Volume:48 ,  Issue: 11 )