Abstract:Epitaxial Si 1−x Ge x fin layers with x = 0.50 and 0.63 were selectively grown on trench patterned Si (001) substrates with trench widths of 65 and 90 nm. Using a dry oxidation process for the Si 1−x Ge x fin layers, the Ge was condensed by up to ca. 90% while anisotropic in-plane strain was induced. To analyze the anisotropic in-plane strain behavior, reciprocal space mapping measurements were performed in the directions parallel and perpendicular to the fins. After the condensation, a compressive strain of c… Show more
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