Synthesis of Nanocrystalline Bismuth Ferrite by Solution Combustion Synthesis Method

Abstract

The present paper describes a simple method of nanosized BiFeO₃ by the solution combustion synthesis using bismuth and iron nitrates as oxidizers and the combination fuel of citric acid and ammonium nitrate, with fuel to oxidizer ratio (Ψ = 1) one. The average crystallite size of BiFeO₃ nanoparticles was estimated from the full width half maximum of the X-ray diffraction peaks of powders using Scherrer’s formula. The ferroelectric transition of the sample at 831⁰C was detected by differential thermal analysis. Elemental analysis was done using Energy Dispersive X-Ray Analysis (EDX). Fourier Transform Infrared spectroscopy confirms the ferrite bond formation. Thermal analysis was done by Thermal gravimetric-Differential thermal analyzer and obtained results were presented in this paper.

Keywords:  Solution Combustion Synthesis, X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Thermal gravimetric-Differential thermal analysis (TG-DTA), Fourier Transform Infrared Spectroscopy (FTIR)