Abstract
Many researchers have investigated nanometer-sized magnetic materials, because magnetic nanoparticles exhibit unusual chemical and physical properties such as superparamagnetism and quantum tunneling of magnetization. A number of techniques, both chemical and physical, have been employed to make magnetic particles. In this paper, ferrite nanoparticles [magnetite (Fe3O4)] were prepared using a simple chemical coprecipitation method. Oleic acid was added to protect nanoparticles from aggregation. The characteristics of nano-magnetic Fe3O4 particles were determined respectively with various techniques, such as transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray absorption near edge Structure Spectroscopy (XANES).
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