Submicron-sized hybrid SiO2-Ni powders produced with the sol-gel method

B. Borak, S. Laskowski, O. Heczko, A. Aaltonen, Agnieszka Baszczuk, M. Jasiorski, O. Söderberg, B. Mazurek, M. Oja, S. P. Hannula, K. Maruszewski*

*Corresponding author for this work

    Research output: Contribution to journalArticleScientificpeer-review

    1 Citation (Scopus)

    Abstract

    Magnetic powders based on metallic nickel nanoparticles encapsulated in submicron-sized spherical silica shells have been obtained and investigated. The nickel clusters were produced by the exploding wire method. The silica shells were prepared via the modified sol-gel Stöber method, and the metallic particles were entrapped by their occlusion during silica powder formation. The obtained hybrid materials were investigated by electron microscopy, X-ray diffraction, magnetic, and ζ potential techniques. The obtained materials can potentially be employed in such applications as magnetically controlled drug vectors or electromagnetic field shielding.

    Original languageEnglish
    Pages (from-to)167-175
    Number of pages9
    JournalMATERIALS SCIENCE POLAND
    Volume25
    Issue number1
    Publication statusPublished - 2007
    MoE publication typeA1 Journal article-refereed

    Keywords

    • Magnetic SiO-Ni particles
    • Nickel particles
    • Sol-gel method

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