Synthesis and Characterization of Nano-γ-Fe2O3 by Sol–Gel Method

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Abstract:

The synthesis and characterization of nano-γ-Fe2O3 was described by sol–gel method. The optimal conditions for the formation of iron citric acid sol–gel were that the concentration of ferrite citrate was 0.8 mol/L, the pH was 7 and the reaction temperature was 40 °C. DTA, XRD, FT-IR, and TEM analysis were employed to characterize the properties of the as-prepared γ-Fe2O3. TG-DTA, XRD and FT-IR characterization indicate that the appropriate temperature for the formation of γ-Fe2O3 by Sol–gel method is 450 °C and the particle size of γ-Fe2O3 formed is about 32 nm by the Scherrer formula and TEM under the optimal conditions.

Keywords: FERRIC CITRATE; MAGNETIC MATERIAL; NANO-γ-FE2O3; SOL–GEL

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/asl.2011.1864

Publication date: November 1, 2011

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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