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Published online by Cambridge University Press: 26 February 2011
Low temperature cleaning process of Si surface and the subsequent epitaxial growth of GaAs on Si by Plasma-Assisted Epitaxy in hydrogen plasma are described. As the rf power applied to excite the plasma is increased, the temperature for both cleaning and epitaxial growth processes can be reduced. Then GaAs epitaxial layers were directly grown on Si at 440°C.