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Author: search.filters.author.Boonchom, BanjongSubject: search.filters.subject.Electron microscopy

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    A simple route to synthesize nickel ferrite (NiFe2O4) nanoparticles using egg white
    (2007-05-01)
    Maensiri, Santi
    ;
    Masingboon, Chivalrat
    ;
    Boonchom, Banjong
    ;
    Seraphin, Supapan
    NiFe<inf>2</inf>O<inf>4</inf> nanoparticles were synthesized by a simple and cost-effective method using Ni and Fe nitrates and freshly extracted egg white (ovalbumin) in an aqueous medium. The X-ray diffraction and selected-area electron diffraction results indicated that the synthesized nanoparticles have only the inverse spinel structure without the presence of any other phase impurities. Room temperature magnetization results showed a ferromagnetic behavior of the NiFe<inf>2</inf>O<inf>4</inf> nanoparticles, with saturation-specific magnetization values in the range of 26.4-42.5 emu/g at 10 kOe. © 2006 Acta Materialia Inc.