Abstract
Diluted magnetic semiconductor oxide (DMSO) nanoparticles (NPs) of Zn-doped cerium oxide (CexZn1−xO2 (10x % CZO); x = 0, 0.1, 0.3, 0.5, and 1.0) were synthesized by a facile sol-gel type process involving composite amorphous precursor powders. Based on thermal analysis, a processing temperature of 400 °C was selected to obtain recrystallized CZO NPs from the precursors. The effective substitution of Zn2+ in the CeO2 lattice by a controlled manner created ample deficiency of oxygen leading to a non-stoichiometric CeO2 structure. Tailored optical and magnetic properties of the derived CZO NPs are discussed here in correlation with their structural characteristics. The DMSO NPs showing intense absorption characteristics in the UV region and transparency in the visible region are highly attractive for pertinent applications in spintronics and magneto-optics.
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