USE OF LIQUID–LIQUID INTERFACE FOR SYNTHESIS OF MAGHEMITE NANOCRYSTALS

S. Basavaraja, Balaji D. Sawle, Mahesh D. Bedre, D. Ragunandan, L. Arunkumar, H. Vijayanand and A. Venkataraman ()
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S. Basavaraja: Materials Chemistry Laboratory, Department of Materials Science, Gulbarga University, Gulbarga-585 106, Karnataka, India;
Balaji D. Sawle: Materials Chemistry Laboratory, Department of Materials Science, Gulbarga University, Gulbarga-585 106, Karnataka, India;
Mahesh D. Bedre: Materials Chemistry Laboratory, Department of Materials Science, Gulbarga University, Gulbarga-585 106, Karnataka, India
D. Ragunandan: Materials Chemistry Laboratory, Department of Materials Science, Gulbarga University, Gulbarga-585 106, Karnataka, India;
L. Arunkumar: Department of Chemistry, Appa Institute of Engineering and Technology, Gulbarga-585 102, Karnataka, India
H. Vijayanand: Materials Chemistry Laboratory, Department of Materials Science, Gulbarga University, Gulbarga-585 106, Karnataka, India
A. Venkataraman: Materials Chemistry Laboratory, Department of Materials Science, Gulbarga University, Gulbarga-585 106, Karnataka, India

Surface Review and Letters (SRL), 2012, vol. 19, issue 02, 1-8

Abstract: Nanocrystals of maghemite(γ-Fe2O3)have been prepared at the interface of organic-aqueous layer by the reaction of ferric acetylacetonate in toluene with sodium hydroxide in aqueous solution. The nanocrystals ofγ-Fe2O3formed at the interface of the organic-aqueous layer have been confirmed by X-ray diffraction (XRD) pattern. The sample has been characterized morphologically by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and atomic force microscopy (AFM) techniques. Magnetic hysteresis loop and zero-field cooling measurements exhibited superparamagnetism behavior forγ-Fe2O3nanocrystals.

Keywords: Ceramics; interfaces; chemical synthesis; electron microscopy; magnetic properties (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1142/S0218625X12500199

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