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  • Title: Characterization of magnetic nanoparticles using energy-selected transmission electron microscopy.
    Author: Sayagués MJ, Rojas TC, Fernández A, Dunin-Borkowski RE, Doole RC, Hutchison JL.
    Journal: Microsc Microanal; 2002 Oct; 8(5):403-11. PubMed ID: 12533216.
    Abstract:
    Fe, Co, and Ni magnetic nanoparticles have been characterized using energy-selected imaging in a high-resolution transmission electron microscope. The samples comprised Fe/FeO x and Co/CoO x nanoparticles synthesized by inert gas evaporation and a Ni/C nano-composite prepared by a sonochemical method. All of the particles examined were found to be between 5 and 30 nm in size, with the Fe and Co crystals coated in 5-10 nm of metal oxide layer and the Ni metallic crystallites embedded in an amorphous carbon spherical matrix.
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