Abstract
In recent years, BaFe0.5Nb0.5O3 (BFN) complex perovskite has been projected as one of the promising Pb-free materials for energy storage applications. The primary goal of this research work is to look into the impact of Ca on the structural, electrical, and magnetic behavior of BFN and examine its suitability for multifunctional applications. The conventional solid-state reaction route is followed to prepare the desired Ba0.88Ca0.12Fe0.5Nb0.5O3 complex perovskite sample. The analysis of X-ray diffraction data reveals that the sample crystallizes in monoclinic symmetry and belongs to the C1m1 space group. The micrograph obtained through scanning electron microscopy indicates the dense surface morphology of the sample. The elemental examination through energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy confirms the purity and reveals information regarding the chemical states of the involved elements. The complex impedance and dielectric studies conducted over a wide frequency and temperature range infer that the sample possesses semiconducting as well as capacitive properties. The magnetic response monitored at room temperature confirms the ferromagnetic behavior of the sample. Based on all the investigations carried out, it can be stated that the synthesized complex perovskite can be used for fabricating tunable microwave devices, energy storage devices, magnetic storage devices, etc.
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