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Infrared Spectra of Ultra-Thin SiO2 Grown on Si Surfaces

Published online by Cambridge University Press:  21 February 2011

T. Yamazaki
Affiliation:
Department of Electrical Engineering, Hiroshima University, Higashi-Hiroshima 724, Japan
S. Miyazaki
Affiliation:
Department of Electrical Engineering, Hiroshima University, Higashi-Hiroshima 724, Japan
C. H. Bjorkman
Affiliation:
Research Center for Integrated Systems, Hiroshima University, Higashi-Hiroshima 724, Japan
M. Fukuda
Affiliation:
Department of Electrical Engineering, Hiroshima University, Higashi-Hiroshima 724, Japan
M. Hirose
Affiliation:
Department of Electrical Engineering, Hiroshima University, Higashi-Hiroshima 724, Japan
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Abstract

The structure of thin SiO2 films thermally grown on Si(100) and Si(111) surfaces has been characterized by using infrared internal reflection and x-ray photoelectron spectroscopy. It is found that the infrared absorption peak due to the LO phonon mode originating from the Si-O-Si stretching vibration shows a considerable red shift in the thickness range below 30A. This red shift is interpreted in terms of the compressive stress near the interface.

Type
Research Article
Copyright
Copyright © Materials Research Society 1994

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References

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