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Quadratic magnetoelectric effect of barium titanatecobalt ferrite (0-3) ceramic composite
Morad Etier,Hesham Almomani 한양대학교 세라믹연구소 2020 Journal of Ceramic Processing Research Vol.21 No.5
In this research, the quadratic magnetoelectric effect for different compositions of barium titanate cobalt ferrite ceramiccomposites has been reported. Structural analysis was firstly demonstrated using different techniques e.g. x-ray diffraction andscanning electron microscopy, then both the first and the second order magnetoelectric effects were measured and analyzed. It was shown that the magnetic, ferroelectric and magnetoelectric properties of the ceramic composites depend mainly on theweight percentage of the constituents. Sample of 50% weight of barium titanate gave the highest longitudinal and traversemagnetostriction. The maximum induced magnetization as a function of electric field was observed for the sample contains50% weight of barium titanate with a second order magnetoelectric coupling coefficient value γ333 = 20 × 10-18 s/V. This valueis considered to be the first estimated quadratic magnetoelectric effect value for a composite material.