期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 122, 期 2-3, 页码 498-501出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2010.03.033
关键词
Coatings; Nanostructures; Magnetic materials; Surfaces and interfaces
资金
- National Natural Science Foundation of China [50602024]
Special diethylenetriaminepentaacetic acid (DTPA)-chitosan-coated cobalt ferrite core/shell nanoparticles have been synthesized via a novel zero-length emulsion crosslinking process and characterized via crosslinking degree, simultaneous thermogravimetric analysis and differential scanning calorimetry, Xray diffractometry, Fourier transform infrared spectrometer, transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and vibration sample magnetometry. The experimental results showed that the CoFe2O4 nanoparticles were really encapsulated with a DTPA-chitosan hybrid layer and the nanocomposites were proved to be nearly superparamagnetic with saturation magnetization of 26.6 emu g(-1). (C) 2010 Elsevier B.V. All rights reserved.
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