Preparation of Co<sub>0.5</sub>Zn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub> and Co<sub>0.5</sub>Mn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub> Nanoferrites by Co-Precipitation Method
Abdollah JavidanMir Hassan HosseiniS.L. Shaifi
Abstract
Nanoparticles of Cobalt-zinc ferrite (Co 0.5 Zn 0.5 Fe 2 O 4 ) and Cobalt-manganese ferrite (Co 0.5 Mn 0.5 Fe 2 O 4 ) have been synthesized at room temperature by co-precipitation method with and without calcination process. Starting materials for preparation of nanooxides were Co (NO 3 ) 2 .6H 2 O, ZnCl 2 , Fe (NO 3 ) 3 .9H 2 O and Mn (NO 3 ) 2 .4H 2 O. These salats were mixed in stoichiometric amounts and precipitated with sodium hydroxide. Synthesised materials are confirmed by XRD and SEM analysis. The FTIR spectra of nanooxides have been analyzed in the frequency range of 400-4000cm -1 .
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