In this study, 0.75BiFeO3–0.25BaTiO3 ceramics doped with Mn and Cu (1, 2, 3, 4 and 5 mol%) have been fabricated with an effective solid-state reaction method developed for high purity ceramics. Attention has been focused on relationships between sintering conditions, phase formation, density, and magnetoelectric properties of the sintered ceramics. It was found that Cu and Mn doping affected significantly the dielectric, ferroelectric, ferromagnetic and magnetoelectric properties of these ceramics. At certain level of addition, both Mn and Cu doping were found to enhance the ferroelectric and ferromagnetic characteristics of the BiFeO3-BaTiO3 multiferroic ceramics. Finally, magnetoelectric properties of the ceramics were also determined. The addition of the Cu and Mn ions was found to noticeably improve the magnetoelectric properties of the ceramics.
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Chandarak et al. (2011) studied this question.
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