Cobalt -silica magnetic nanoparticles with functional surfaces

M.L. Vadala, M.A. Zalich, D.B. Fulks, Tim St Pierre, J.P. Dailey, J.S. Riffle

    Research output: Contribution to journalArticlepeer-review

    30 Citations (Scopus)

    Abstract

    Cobalt nanoparticles encased in polysiloxane block copolymers have been heated at 600-700 degrees C to form protective shells around the particles, which contain crosslinked Si-O structures, and to anneal the cobalt. Methods to functionalize and modify the surfaces of the pyrolyzed/annealed silica-cobalt complexes with amines, isocyanates, poly(ethylene oxide), poly(L-lactide) and polydimethylsiloxane (PDMS) are presented. (c) 2005 Published by Elsevier B.V.
    Original languageEnglish
    Pages (from-to)162-170
    JournalJournal of Magnetism and Magnetic Materials
    Volume293
    Issue number1
    DOIs
    Publication statusPublished - 2005

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