Abstract
Magneto-electric ceramic composite of (1−x)BaTiO3 + xZnFe2O4 (x = 0.2, 0.4, 0.6, 0.8) was prepared by solid state synthesis method. Powder XRD confirms the presence of two distinct phases (BaTiO3 and ZnFe2O4) as tetragonal and cubic. Charge density distribution in the unit cells of BaTiO3 and ZnFe2O4 were analyzed and correlated with the observed results of the characterization. The PE characterization of the electrical studies reveals that the prepared composite changes from lossy capacitance and to resistive capacitance with the increase in the ferrite composition. For x = 0.8 (20% BaTiO3; 80% ZnFe2O4), the dielectric constant is the maximum. The dielectric loss increases with the increase in the ferrite content. From the charge density studies, it can be inferred that the TiO bond assumes a major role in elucidating the electrical characterization of the prepared composite. The magnetic characterization confirms the presence of small ferromagnetic property in the composite. Saturation magnetization varies from 0.583 emu/g to 1.359 emu/g at room temperature with an increase in the ferrite content. In addition to the ferrite content in the composite, the charge density between the atoms is also responsible for the magnetization of the composite.
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