Abstract
The research findings from a thorough examination of the impact of sintering temperature are presented in this publication on structural, ferroelectric, ferromagnetic and dielectric properties of Mg-doped Bismuth Ferrite. Bi0.88Mg0.12FeO3 (BMFO) was synthesized using a solid-state reaction technique and sintered at three different temperatures: 750 °C, 800 °C and 830 °C. Structural analysis was performed using Rietveld refinement of XRD data, which confirms the presence of perovskite phase with rhombohedral structure in all samples and also changes in lattice parameters that result from sintering temperature changes. The average crystalline size as well as the lattice strain are calculated using the Williamson-Hall method. The loss tangent and dielectric constant have been examined as a function of frequency revealing a considerable improvement in dielectric properties. SEM analysis was performed to identify the microstructural property of the samples. Ferroelectric properties were studied using a P-E loop which confirms the enhancement in the ferroelectric property as sintering temperature increases. The improvement in the multiferroic nature will be discussed in light of the sintering temperature effect on Mg-doped Bismuth Ferrite.
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