Ferroelectric Properties of CuFe2O4, BaFe2O4, Ba0.2La0.8Fe2O4 Nanoparticles

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By:U.Naresh, R. Jeevan Kumar, N.V.S. Gupta, D.Kothandan

DOI: https://doi.org/10.30564/ese.v1i1.929

Abstract:

In this article, we report ferroelectric properties of copper ferrite CuFe₂O₄ nanoparticles (CFN), Barium ferrite nanoparticles BaFe₂O₄ (BFN) and La substituted barium ferrite Ba_0.2La_0.8Fe₂O₄ (BLFN) nanoparticles synthesized via hydrothermal technique. The X-Ray diffraction for the synthesized particles reflects the cubic phase formation for CuFe₂O₄, orthorhombic phase structure for the BaFe₂O₄ and cubic formation of Ba_0.2La_0.8Fe₂O₄ (BLFN). The structural parameters such as crystallite size and micro-strain are computed from XRD and Williamson-Hall(W-H) analysis. The polarization- electric field (P-E) loop studies gave information about the ferroelectric nature of the synthesized samples. It was noticed that the CFN particle has a lossy dielectric nature whereas BFN, BLFN samples exhibit a multiferroic nature.

References:

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