Abstract
BaTiO3–BaFe12O19 composite was prepared by solid state reaction method. Ferroelectric barium titanate and ferrimagnetic barium hexaferrite phases were prepared separately. From morphological studies, the distribution of barium titanate and barium hexaferrite grains was confirmed. The evaluation of densities showed that the composite is denser compared to the individual phases. The polarization versus electric field experiment showed typical hysteresis loops, confirming the presence ferroelectric phase in the composite. Dielectric studies carried on the composite samples showed a diffused type of ferroelectric phase transition. Various magnetic parameters of the composite system were studied and compared to the barium hexaferrite phase. The first order reversal curve method was used to confirm the presence of single and multidomain structures in barium hexaferrite and the composite system.
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