Abstract
The damage distribution in ion‐implanted silicon and the crystalline quality of epitaxial films are evaluated by detecting the reflectivity change in a sample at 275 nm with reference to the reflectivity at 330 nm, and experimental results are compared with the Rutherford backscattering spectra. The damage distribution induced by P+ implantation is clearly distinguished from that by Si+ implantation in both P+‐ and Si+‐implanted samples. The recrystallization process of the Si+‐implanted region is identified by UVRM. The distribution profile of crystalline imperfection in a silicon epitaxial film on a porous silicon layer is evaluated by UVRM, and is in good agreement with the depth profile of dechanneled fraction obtained by RBS measurement.
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