Synthesis And Characterisation Of Cobalt And Nickel Ferrite Magnetic Nanoparticles

Abstract

Cobalt and nickel ferrite magnetic nanoparticles have been synthesized using a co-precipitation method. The samples are annealed at 600°C. The morphological, structural and magnetic properties of the nanoparticles are characterized by FTIR, X-ray diffraction, scanning electron microscopy and TEM. The annealing temperature has effect on the grain size, the lattice parameter, the degree of inversion, the cationic distribution is studied. FTIR studies proved the respective functional groups of the ferrites. The X-ray diffraction measurements describe the average grain size. Scanning electron microscopy shows that the particles have spherical shapes but not homogeneous sizes. TEM provides the detailed morphological composition of the obtained crystalline nano ferrites.