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Abstract
BiFeO 3 -based materials are expected to have both ferroelectricity and ferromagnetism simultaneously. In this study, BiFeO 3 -based ceramics have been fabricated by the solid state reaction. The effect of BaTiO 3 content in BiFeO 3 -BaTiO 3 system on the crystal structure, the magnetic properties and the electrical properties were investigated. Perovskite BiFeO 3 was stabilized through the formation of solid solution with BaTiO 3 . Rhombohedrally distorted BiFeO 3 -BaTiO 3 showed weak ferromagnetism. The resistivity of resultant ceramics was greatly improved by a small amount of Mn doping. 0.8 mol% Mn-doped 0.8BiFeO 3 -0.2BaTiO 3 ceramics exhibited typical P-E hysteresis loops.