Abstract
Fe-doped BaTiO3 has been synthesized with sol-gel technique. The doped perovskite was found to have tetragonal structure. The transformation point of ferroelectric to paraelectric and the latent heat of the transformation were observed to be a little less than those for pure BaTiO3. Layered composites Tb1-xDyxFe2-y/Fe∶BaTiO3 have been fabricated. Their mgnetoelectric (ME) effect has been investigated. The transverse ME voltage coefficient for the bilayer Tb1-xDyxFe2-y-Fe∶BaTiO3 and the trilayer Tb1-xDyxFe2-y-Fe∶BaTiO3-Tb1-xDyxFe2-y can reach 6.225 adn 26.25mV·(A·m-1)-1·cm-1，respectively，under a bias magnetic field of 2.8×104A/m at room temperature，which are about 50% larger than those for the bilayer and trilayer composed of pure BaTiO3.
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