SYNTHESIS, STRUCTURAL AND MORPHOLOGICAL CHARACTERIZATION OF HAFNIUM OXIDE NANOPARTICLES

Abstract

Hafnium oxide nanoparticles were successfully synthesized using hydrothermal method and were characterized by XRD, SEM, HRTEM and Raman spectral techniques. Analysis on XRD and Raman showed the existence of pure HfO2 nanoparticles in the monoclinic phase. From XRD analysis, the average crystallite size of HfO2 was found to be 26.31, 28.47 and 31.11 nm with respect to varies temperatures viz., 140,160 and 180˚C respectively. The SEM and HRTEM images of the HfO2 shown that the nanoparticles were appeared as seed like shape of the surface.