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Tuning magnetic properties of CeO2 by Fe doping via an electrochemical deposition route
Zi-Long Wang1, Gao-Ren Li, Jin-Hua Liang
1MOE of Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Institute of Optoelectronic and Functional Composite Materials, Sun Yat-sen University, Guangzhou 510275, China.
Abstract:
Herein Ce(1-x)Fe(x)O(2-δ) nanocomposites were investigated for dilute magnetic semiconductor (DMS) properties. Ce(1-x)Fe(x)O(2-δ) nanospheres and porous nanostructures with high surface areas have been successfully prepared by electrochemical deposition at room temperature and atmospheric pressure. The structures and morphologies of Ce(1-x)Fe(x)O(2-δ) deposits were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and N(2) adsorption-desorption techniques. The magnetic properties of the prepared Ce(1-x)Fe(x)O(2-δ) nanospheres and porous nanostructures were studied, and they showed room-temperature ferromagnetism and giant magnetic moments. In addition, the effects of morphologies and compositions on the magnetic properties of Ce(1-x)Fe(x)O(2-δ) deposits were studied.
