Abstract
Silicon–silicon dioxide core-shell nanowires grown on gold-coated silicon wafers by thermal evaporation of silicon monoxide sometimes show an oscillation in diameter. The two possible causes for this behaviour are a self-oscillation process during the growth or the so-called Rayleigh instability. By analyzing the thickness distribution of the nanowires, we will show that a self-oscillation process is responsible for the periodic instability during growth. In contrast, during post-growth etching and oxidation the nanowires can develop Rayleigh instabilities, leading to silicon nanocrystals embedded in silicon dioxide nanowire.
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01 November 2008
An Erratum to this paper has been published: https://doi.org/10.1007/s00339-008-4801-y
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61.46.+w; 81.10.-h; 81.40.-z
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Kolb, F., Hofmeister, H., Zacharias, M. et al. On the morphological instability of silicon/silicon dioxide nanowires. Appl. Phys. A 80, 1405–1408 (2005). https://doi.org/10.1007/s00339-004-3188-7
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DOI: https://doi.org/10.1007/s00339-004-3188-7