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Point Defect Injection Kinetics by N2O Oxidation of Silicon

Published online by Cambridge University Press:  15 February 2011

C. Tsamis ,
D. N. Kouvatsos  and
D. Tsoukalas
C. Tsamis
Affiliation:
Institute of Microelectronics, NCSR ‘Demokritos’, 15310 Aghia Paraskevi, [email protected]
D. N. Kouvatsos
Affiliation:
Institute of Microelectronics, NCSR ‘Demokritos’, 15310 Aghia Paraskevi, [email protected]
D. Tsoukalas
Affiliation:
Institute of Microelectronics, NCSR ‘Demokritos’, 15310 Aghia Paraskevi, [email protected]
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Abstract

The influence of N2O oxidation of silicon on the kinetics of point defects at high temperatures is investigated. Oxidation Stacking Faults (OSF) are used to monitor the interstitials that are generated during the oxidation process. We show that at high temperatures (1050°-1150°C) the supersaturation of self-interstitials in the silicon substrate is enhanced when oxidation is performed in an N2O ambient compared to 100% dry oxidation. This behavior is attributed to the presence of nitrogen at the oxidizing interface. However, at lower temperatures this phenomenon is reversed and oxidation in N2O ambient leads to reduced supersaturation ratios.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 469: Symposium E – Defects and Diffusion in Silicon Processing , 1997 , 133
Copyright
Copyright © Materials Research Society 1997

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References

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