期刊
CERAMICS INTERNATIONAL
卷 41, 期 1, 页码 1115-1119出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2014.09.037
关键词
Nanoparticles; Magnetic materials; Dilute metal oxides; XPS
资金
- NSTIP strategic technologies program in the Saudi Kingdom [11-ADV2036-03]
The development of engineered nanostructures with precise morphology has gained significant attention due to new properties of these materials. Herein, we report a novel recipe to synthesize Ce1-xCuxO nanostructures via a hexamethylene triperoxide diamine assisted solvothermal method. The influence of Cu ion concentration (0.01 <= x <= 0.10) on the structure and morphology of the CeO nanocrystals was examined. The X-ray photoelectron spectroscopy demonstrated that the copper atoms tend to be incorporated into the CeO crystal structure in the form of Cu2+. At the Cu ion concentration x=0.09, the Cu-doped CeO2 displayed a very high saturation magnetic moment of 1.58 mu g/Co and coercivity of 154 G. The synthetic method designed in this work enhanced the ferromagnetic properties of the Ce1-xCuxO nanostructures compared to the materials obtained by conventional techniques. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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