Evidence of formation of Si-C bonds during growth of Si-doped III-V semiconductor compounds

In this work, we demonstrate that Si-C bonds are formed in III-V semiconductor compounds grown by chemical beam epitaxy. Our results suggest that the formation of Si-C bonds occurs in III-V epitaxial layers with acceptor Carbon residual concentration and high Si concentrations ( > 10 17 cm − 3 )...

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Veröffentlicht in:Applied physics letters 2005-04, Vol.86 (15), p.152113-152113-3
Hauptverfasser: Bettini, J., de Carvalho, M. M. G
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description In this work, we demonstrate that Si-C bonds are formed in III-V semiconductor compounds grown by chemical beam epitaxy. Our results suggest that the formation of Si-C bonds occurs in III-V epitaxial layers with acceptor Carbon residual concentration and high Si concentrations ( > 10 17 cm − 3 ) . The main consequence of Si-C bonds is the generation of defects along [111] direction. These defects produce carrier concentration saturation, reduction of electrical mobility, crystal quality degradation, and surface defects.
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subjects CARBON
CARRIER MOBILITY
CHEMICAL BONDS
CRYSTAL GROWTH
CRYSTALS
DISLOCATIONS
DOPED MATERIALS
ELECTRON DENSITY
EPITAXY
GALLIUM ARSENIDES
IMPURITIES
INDIUM COMPOUNDS
MATERIALS SCIENCE
MORPHOLOGY
SEMICONDUCTOR MATERIALS
SILICON
SPATIAL DISTRIBUTION
title Evidence of formation of Si-C bonds during growth of Si-doped III-V semiconductor compounds
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