Li, Xing-Hua and Xu, Cai-Ling and Han, Xiang-Hua and Qiao, Liang and Wang, Tao and Li, Fa-Shen (2010) Synthesis and Magnetic Properties of Nearly Monodisperse CoFe2O4 Nanoparticles Through a Simple Hydrothermal Condition. Nanoscale Research Letters, 5 (6). pp. 1039-1044.
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Nearly monodisperse cobalt ferrite (CoFe2O4) nanoparticles without any size-selection process have been prepared through an alluring method in an oleylamine/ethanol/water system. Well-defined nanospheres with an average size of 5.5Â nm have been synthesized using metal chloride as the law materials and oleic amine as the capping agent, through a general liquidâsolid-solution (LSS) process. Magnetic measurement indicates that the particles exhibit a very high coercivity at 10Â K and perform superparamagnetism at room temperature which is further illuminated by ZFC/FC curves. These superparamagnetic cobalt ferrite nanomaterials are considered to have potential application in the fields of biomedicine. The synthesis method is possible to be a general approach for the preparation of other pure binary and ternary compounds.
|Subjects:||Material Science > Nanochemistry|
|Deposited On:||06 Jun 2011 08:13|
|Last Modified:||06 Jun 2011 08:13|
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