SYNTHESIS OF ROD-LIKE MAGNETITE BY USING LOW MAGNETIC FIELD

Abstract

Magnetic (nano)particles are intensively studied in the last years due to their multiple applications. The purpose of this paper is the synthesis of rod-like magnetite by magnetically assisted co-precipitation. The synthesized magnetite nanoparticles were characterized by XRD, DSC-TG and TEM from compositional and especially morphological point of view. The use of 0.5T magnetic field induces a preferential growth of magnetite nanoparticles on the 400 direction while this preferential growth cannot be identified in the absence of the magnetic field proving that the synthesis of rod-like magnetite is due to the applied magnetic field. The mechanism of synthesis was explained based on the magnetite particles behaviour in magnetic field.