Abstract
Highly dispersed spinel CoFe 2O 4 nanoparticles with average size of about 10 nm were successfully prepared by a novel salt-assisted combustion process. The effects of KCl and calcination temperature on the properties of the products were investigated by X-ray diffraction, transmission electron microscopy and Brunnauer–Emmet–Teller method. The results indicated that the obtained CoFe 2O 4 nanoparticles had small particle size, well crystallinity and dispersibility, and large BET surface area. Moreover, the magnetic property of CoFe 2O 4 was measured by superconducting quantum interference device. Magnetization studies at room temperature showed superparamagnetic behavior of the obtained CoFe 2O 4 nanoparticles.
Published Version
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