INFLUENCE OF PH AND CALCINATION TEMPERATURE ON MAGNETIC PROPERTIES OF NANOSIZED ZN-FERRITE SYNTHESIZED BY SOL–GEL CITRATE METHOD

Samarjit Singh, Gaurav Goswami, Abhishek Kumar

Abstract: The present research has been motivated by the potential use of ferrites in the technological advancement of advanced electronic and magnetic devices. Sol–gel citrate method has been employed to synthesize Zn-ferrite at different values of pH viz., 3, 5, 7, 9 and 12; and subsequently the effect of calcination temperatures viz., 600, 700 and 800 oC on the particle morphology and magnetic behavior was studied for the sample prepared at pH 9. X-ray diffraction (XRD) analysis has been carried out to investigate the effect of pH and calcination temperatures on the desired spinel phase formation behavior and its magnetic properties. Although the formation of different phases has started from pH 5, single phase could be observed only when pH has reached a value of 9. From XRD and FE-SEM characterization of the calcined powder, it has been found that with the increase in calcination temperature particle size increases. B-H curves of the prepared ferrite powders showed that magnetic properties are sensitive to both the pH of the solution and calcination temperature.

Keywords: Zn-ferrite, Sol-Gel Citrate Method, Effect of pH, Calcination temperature, Magnetic properties

DOI: https://doi.org/10.15623/ijret.2017.0613006