Magneto-dielectric and magnetic anisotropy maxima in γ-Fe 2 O 3 nanocomposite

Indradip Banerjee,Hyungsuk K D Kim,S Keller,K P Mohanchandra,Gregory P Carman

IEEE Magnetics Letters（2013）

Cited 1|Views7

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Abstract

The temperature dependence of the magneto-dielectric (MD) response in polycrystalline γ-Fe2O3 nanoparticulates embedded in an epoxy resin has been experimentally investigated. A maximum in the MD coefficient (~9%) occurs at ~200 K, which is well below its Curie point (Tc ~ 948 K) and blocking temperature (TB = 310 K). The law of approach to saturation technique was used to measure the effective ma...

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Key words

Perpendicular magnetic anisotropy,Saturation magnetization,Temperature measurement,Nanoparticles,Anisotropic magnetoresistance

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