Abstract
Multiferroic composites xBaFe12O19-(1 − x)Na0.5Bi0.5TiO3 were synthesized. Rietveld analysis of XRD patterns of confirms the coexistence of hexagonal (P63/mmc) and rhombohedral (R3c) symmetry. SEM micrographs depict that the average grain size of composites decreases with increase in ferrite phase. The variations of dielectric constant (ε′) and dielectric loss (tanδ) were examined as a function of frequency and at different temperatures. ε′ and tanδ show the dispersion behavior at lower frequencies and become independent at higher frequencies. The magnetic assessment of these composites carried by analyzing M-H hysteresis loop reveals their hard magnetic behavior.
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