Abstract
The XRD and FTIR analysis of the bismuth subtituted cobalt ferrite (CoFe2-xBixO4) nanoparticles are presented. The samples are produced by co-precipitation method. The bismuth content of the x is selected to be 0.1 for the whole experimental. The result of the x-ray diffraction pattern show that the single phase face center cubic inverse-spinel sample are obtained. It is indicated that the bismuth ion substituted into the cobalt ferrite stucture. The crystallite size change from 33.76 nm to 44.58 nm while the crystalline strain decrease 0.0336 to 0.0255. Finally, the presence of the bismuth ions modifies the resonance of the FTIR absorption curve at octahedral and tetrahedral sites.
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