期刊
MATERIALS LETTERS
卷 66, 期 1, 页码 128-131出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2011.08.056
关键词
Nanoparticles; Magnetic materials; Powder technology; Microstructure
资金
- National Natural Science Foundation of China [20907001]
- University Natural Science Research Project of Anhui Province [KJ2010A336]
- Anhui University of Technology [2010017]
In this work, we demonstrated a new precursor route to synthesize CoFe2O4 one-dimensional (1D) nanorods. CoFe2O4 nanorods were prepared via the thermal decomposition of CoFe2(C2O4)(3) nanorod precursor, which was prepared by solvothermal method without the assistance of template or surfactant. The microstructure and magnetic property of the obtained products were characterized by x-ray powder diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), thermogravimetric (TG) and differential thermal analysis (DTA) and vibrating sample magnetometer (VSM). The results showed that the as-prepared CoFe2O4 nanorods were built by magnetic nanoparticles after calcining the precursor nanorods at different temperatures, and the size variation of magnetic nanoparticles with calcination temperatures leaded to variable magnetic properties. (C) 2011 Elsevier B.V. All rights reserved.
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