Abstract
M-type barium hexaferrites with the general formula BaFe12O19 was synthesized by the sol-gel auto combustion method and characterized by X-ray diffraction. The XRD diffraction patterns confirmed that the ferrite samples are in the hexagonal structure with space group P63/mmc which is further validated by Rietveld refinement. The crystal structure and cell parameters were refined by Rietveld analysis. The vibrational spectrum obtained using Fourier Transform-Infrared (FT-IR) and Raman spectroscopy was reported. Three vibrational modes were observed in FT-IR spectra of the samples, which indicated the presence of metal-oxygen stretching bands in hexaferrite structure. A Raman spectrum shows eight strong and sharp modes, identifying the presence of barium hexaferrite phase.
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