We have investigated the dielectric and magnetic properties of ferroelectric-antiferromagnetic BaTiO₃-LaMnO₃ composite with changing relative mole percents. Due to high sintering temperature, i.e. 1150∘C , the Ba ion in BaTiO₃ seems to diffuse into LaMnO₃ ; resulting in BaTiO₃-(La,Ba)MnO₃ ferroelectric-ferromagnetic composite. At room temperature, 0.9BaTiO₃-0.1LaMnO₃ composite exhibits considerable magnetization ( ~0.7\;emu/g\;at\;2000\;Oe ) and low coercive field ( ~5\;Oe ). Also it exhibits high dielectric constant ( ~560 ) and low loss ( ~0.08 ) at 10 kHz. This result may imply that BaTiO₃-LaMnO₃ could be suitable for a low leakage multiferroic composite.
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Kim et al. (2006) studied this question.
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