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http://dx.doi.org/10.4191/KCERS.2009.46.6.545

Formation of Sn-dispersed Si Nanoparticles by Co-grinding  

Kim, Bong-Chull (Sasmung SDI Co. Ltd.)
Uono, Hiroyuki (Mitsubishi Chemical Corporation MCC-Group Science &Technology Research Center)
Ue, Makoto (Mitsubishi Chemical Corporation MCC-Group Science &Technology Research Center)
Senna, Mamoru (Department of Applied Chemistry, Faculty of Science and Technology, Keio University)
Publication Information
Journal of the Korean Ceramic Society / v.46, no.6, 2009 , pp. 545-547 More about this Journal
Abstract
An immiscible Si/Sn (=7/3 by volume) powder mixture was subjected to simple grinding and subsequent leaching process to give Sn nanopowder reinforced or dispersed in Si powder. Crystallite and their agglomerates of Si were ca. 15 nm and 100 nm, respectively. Sn remained at 4.5 vol% in Si powder after aqueous HCl leaching, dispersively occluded in Si matrix as confirmed by ICP analysis and cross sectional TEM observation.
Keywords
Mechanical milling; Nanocomposite; Powder processing; Co-grinding;
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