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Cluster-induced crystallization of nano-silicon particles
1997 (English)In: Nanostructured materials, ISSN 0965-9773, E-ISSN 1872-9150, Vol. 9, no 1-8, 359-362 p.Article in journal (Refereed) PublishedText
Abstract [en]

The possibility of producing from 20 nm to 100 nm sized silicon powders by plasma-induced reactions of silane including the formation of high-mass hydrogenated silicon anion clusters has been recently demonstrated. Careful HREM imaging showed circular contrast features, 1.5 to 2.5 nm in size, embedded in the amorphous particles which was attributed to the presence of medium range order in these regions. This non-homogeneous atomic distribution with partially ordered regions of a couple of nanometer dimension became more pronounced upon annealing upto the onset of crystallization. This observation and the formation of fivefold crystallites thereafter indicate that the clusters serve as seeds in the amorphous-to-crystalline transition.

Place, publisher, year, edition, pages
1997. Vol. 9, no 1-8, 359-362 p.
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Nano Technology
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URN: urn:nbn:se:kth:diva-182972ScopusID: 2-s2.0-0347210669OAI: oai:DiVA.org:kth-182972DiVA: diva2:918258
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NR 20160411

Available from: 2016-04-11 Created: 2016-02-24 Last updated: 2016-04-11Bibliographically approved

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Dutta, Joydeep
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