Abstract
The polycrystalline xBi0.5Na0.5TiO3-(1-x)NiFe2O4 solid solutions with different ratios have been synthesized by sol-gel method. The samples are respectively annealed with nonmagnetic and magnetic field annealing processes. X-ray diffraction patterns present the pure formation with coexistence of Bi0.5Na0.5TiO3 and NiFe2O4 phases. Micrographs measured with scanning electron microscope show the dense surface morphology. Evident enhancement in electric polarization and magnetoelectric coupling coefficient is observed with magnetic field annealing. As the content of Bi0.5Na0.5TiO3 increases, magnetoelectric effect is most prominent at the ratio of x = 0.7 with magnetic field annealing. These results indicate the successful influence on room-temperature magnetoelectric coupling effect by magnetic field annealing.
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This work is supported by PhD research startup foundation of Guangxi Normal University.
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Wang, L.G., Zhu, C.M., Yuan, S.L. et al. Enhanced room-temperature magnetoelectric effect in xBi0.5Na0.5TiO3-(1-x)NiFe2O4 ceramics by magnetic field annealing. J Electroceram 42, 113–117 (2019). https://doi.org/10.1007/s10832-019-00173-8
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DOI: https://doi.org/10.1007/s10832-019-00173-8