Composites based on SiO2 micrograins and cobalt-containing nanoparticles: Synthesis, structure, and magnetic propertiesстатья
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Дата последнего поиска статьи во внешних источниках: 28 августа 2017 г.
Аннотация:Cobalt-containing particles are synthesized on the surface of silicon dioxide micrograins prepared by the Stober-Fink method. The composition and structure of nanoparticles are determined by transmission electron microscopy, X-ray diffraction analysis, and EXAFS. The average size of cobalt nanoparticles in the samples is found to be 14 +/- 5 nm. The resulting composites are shown to be ferromagnetics with low specific magnetization values.