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We demonstrate the fabrication of high-quality fully relaxed SiGe layers on a silicon-on-insulator (SOI) substrate by rapid melt growth. A compositional gradient and crystallographic defects are confined to a region between the relaxed SiGe and residual SOI layers. The degradation of surface roughness during rapid thermal annealing is suppressed by the capping SiO2 layer.
Date of Conference: 19-20 May 2011