Abstract
In this article, Fe3O4 nanoparticles (2.2 -12.1 nm) were prepared by partial oxidation of Fe2+ ion using sodium peroxide as oxidizing agent in the presence of ammonium hydroxide and ammonium oleate as precipitating reagent and capping agent, respectively. The synthesized products were characterized by XRD, LLS, EDX, TEM, FTIR and chemical analysis. The main effective factors on the formation of smaller average particle size of Fe3O4 nanoparticles were optimized using the L8 Taguchi experimental design. The magnetic behavior of Fe3O4 nanoparticles was determined using vibrating sample magnetometer (VSM) at 300 K.
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