TITLE

Mechanisms of buried oxide formation by ion implantation

AUTHOR(S)
White, Alice E.; Short, K. T.; Batstone, J. L.; Jacobson, D. C.; Poate, J. M.; West, K. W.
PUB. DATE
January 1987
SOURCE
Applied Physics Letters;1/5/1987, Vol. 50 Issue 1, p19
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have studied the process of buried oxide formation as a function of implantation and annealing conditions. Concentrating on substoichiometric implants (<1×1018 O/cm2), we varied the implantation energies from 100 keV to 1 MeV. Some apparent precipitation of SiO2 similar to that observed in Czochralski-grown silicon occurs on implantation. This means that formation of the buried oxide layer and perfection of the overlying crystalline Si layer depend more strongly on the substrate temperature during the implant than on the annealing temperature.
ACCESSION #
9821819

 

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