Abstract
Spinel Co 1− x Mn x Fe 2O 4 nanoparticles were prepared by the sol–gel combustion technique. X-ray diffraction (XRD), atomic force microscopy (AFM) and vibration sample magnetometer (VSM) studies have been carried out in order to understand the temperature dependence of their properties. It is observed that the high concentration of Mn 2+ substituted into CoFe 2O 4 tends to reduce the particle size. Furthermore, the influence of Mn on the magnetic and thermal characteristics of Co 1− x Mn x Fe 2O 4 nanoparticles has been investigated in detail.
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