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Use Of Liquid–Liquid Interface For Synthesis Of Maghemite Nanocrystals

Author

Listed:
  • S. BASAVARAJA

    (Materials Chemistry Laboratory, Department of Materials Science, Gulbarga University, Gulbarga-585 106, Karnataka, India;
    Department of Chemistry, Gulbarga University, Gulbarga-585 106, Karnataka, India)

  • BALAJI D. SAWLE

    (Materials Chemistry Laboratory, Department of Materials Science, Gulbarga University, Gulbarga-585 106, Karnataka, India;
    Department of Chemistry, 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;
    H.K.E.S's College of Pharmacy, Sedam Road, Gulbarga-05, 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)

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.

Suggested Citation

  • S. Basavaraja & Balaji D. Sawle & Mahesh D. Bedre & D. Ragunandan & L. Arunkumar & H. Vijayanand & A. Venkataraman, 2012. "Use Of Liquid–Liquid Interface For Synthesis Of Maghemite Nanocrystals," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 19(02), pages 1-8.
    • Handle: RePEc:wsi:srlxxx:v:19:y:2012:i:02:n:s0218625x12500199
    DOI: 10.1142/S0218625X12500199
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