F. Zabotto, A. Gualdi, A. D. de Oliveira, J. Eiras, D. Garcia
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Magnetodielectric properties of (1−x)PMN-PT/xCFO particulate composites
The magnetic field dependence of the magnetodielectric effect of (1-x)PMN-PT/xCFO particulate composites was systematically investigated. At room temperature, it was found there is a giant magnetodielectric response up to 10% around the electromechanical resonance frequency for a magnetic field of 15kOe. Additionally, at low magnetic fields a positive magnetodielectric coefficient (~2%) associated to the magnetoelectric coupling polarization and dependent of the CFO concentration was observed.
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