Evidence for a dose dependence for thermal redistribution of implanted silicon in SiO2

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Title: Evidence for a dose dependence for thermal redistribution of implanted silicon in SiO2
Authors: Mathiot, Daniel1 Daniel.Mathiot@iness.c-strasbourg.fr, Perego, Michele2, Fanciulli, Marco2, Assayag, Gérard Ben3
Source: Nuclear Instruments & Methods in Physics Research Section B. Jan2007, Vol. 254 Issue 1, p139-142. 4p.
Subjects: Properties of matter, Semiconductor doping, Solution (Chemistry), Ion bombardment
Abstract: Abstract: The redistribution of implanted 30Si atoms in isotopically purified 28SiO2 thermal oxide is studied as functions of temperature and implanted dose. The results clearly evidence a diffusion enhancement, which is more pronounced at low temperature and high dose. The results are consistent with the simple picture that the redistribution is governed by a Si interstitial diffusion mechanism, which can be slowed down by the presence of residual impurities. [Copyright &y& Elsevier]
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Database: Engineering Source
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Abstract:Abstract: The redistribution of implanted 30Si atoms in isotopically purified 28SiO2 thermal oxide is studied as functions of temperature and implanted dose. The results clearly evidence a diffusion enhancement, which is more pronounced at low temperature and high dose. The results are consistent with the simple picture that the redistribution is governed by a Si interstitial diffusion mechanism, which can be slowed down by the presence of residual impurities. [Copyright &y& Elsevier]
ISSN:0168583X
DOI:10.1016/j.nimb.2006.10.077