Identification of an interstitial carbon-interstitial oxygen complex in silicon

Trombetta, J. M.; Watkins, G. D.
October 1987
Applied Physics Letters;10/5/1987, Vol. 51 Issue 14, p1103
Academic Journal
An electron paramagnetic resonance spectrum, observed in electron irradiated silicon and labeled Si-G15, is shown to originate from the same carbon-oxygen complex as does the well studied C-line photoluminescence spectrum with zero-phonon line at 0.79 eV. Both the g tensor and the 13C hyperfine tensor for this center are remarkably similar to those for the isolated interstitial carbon atom. Stress-induced alignment experiments reveal the role of oxygen and indicate a unique structure for an interstitial carbon-interstitial oxygen pair.


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