Synthesis and Characterization of SiO2 Coated γ-Fe2O3 Nanocomposite Powder for Hyperthermic Application

SiO2 coated γ-Fe2O3 nanocomposite powder has been successfully synthesized by chemical vapor condensation process and its feasibility on hyperthermic application was investigated in this study. The power loss of SiO2 coated γ-Fe2O3 nanocomposite powder which means the magnetic heating effect under alternative magnetic field was much higher than the single phase γ-Fe2O3 nano powder due to the very fine size under 20 nm and well dispersion in biologically compatible SiO2 matrix. The superparamagnetism and hyperthermic property of SiO2 coated γ-Fe2O3 nanocomposite powder were discussed in terms of microstructural development in this study.


Published in:
Journal Of Materials Science & Technology, 26, 333-336
Year:
2010
Keywords:
Note:
This work was supported by a grant-in-aid for the National Core Research Center Program from the Ministry of Science & Technology and the Korea Science & Engineering Foundation (R15-2006-022-03001-0).
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 Record created 2011-12-21, last modified 2018-03-17

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