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Abstract
This research focus on using sol-gel auto combustion method to synthesize Co2Y strontium hexaferrite with chemical composition Sr2MnXCo2-xFe12O22 (x = 0.0, 0.5, 1.0). Samples were calcinated at 1150 for 6 h. The XRD analysis revealed a single crystalline phase Co2Y strontium hexaferrites with the absence of secondary phase or impurity. Values of lattice parameters as well as unit cell volume rise with addition of Mn2+. The emergence of two peaks at 422 and 580 cm−1 in FTIR analysis suggests the formation of hexaferrites. The morphological analysis show an agglomerated network of grains which is caused by magnetic interaction. EDX spectra shows the entire host as well as substituted elements, this confirm the purity and stoichiometry of the prepared Co2Y strontium hexaferrites samples. Magnetic parameters: coercivity, saturation magnetization, squareness ratio as well as remnant were calculated using M-H hysteresis loop obtained from the VSM.
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