Effect of Ce+3 ion substituted with specific ratios and weights at different temperatures on the structure and magnetism of magnesium ferrite

Abstract

Magnetic nanoferrites were prepared from magnesium substituted with pure cerium ions by the following formula, MgCexFe2-xO4, where (x = 0.00, 0.02, 0.06, 0.08 and 0.1) in different proportions and weights using the chemical sol-gel method, and calcined at (600, 800, and 1000) °C.by using different characterization methods to examine the prepared powders such as X-ray diffractometer (XRD), scanning electron microscopy (FESEM) and vibration sample magnetometer (VSM). X-ray diffraction patterns of the prepared samples confirmed the formation of single phase soft magnetic nanoparticles of spinel nature. The average particle size determined by EDS and XRD analyses agree. The larger radii Ce3+ ions caused the lower frequency band to move to the upper side, as seen by FTIR spectra.  Through EDS analysis it was confirmed that there are no extra impurities and that the samples are pure. The VSM technique was used to analyze the magnetic properties of the as-prepared composites, and the saturation magnetization (Ms) and remanent magnetization (Mr) decreased with increasing concentration of compensated cerium ions. These characteristics show the highly magnetic nature of cerium-substituted magnesium nanoparticles and their potential for use in modern communication technology and in the sensors.