Abstract
Strain engineering of thin epitaxial Si thin films on insulating oxide buffers is of special interest to boost charge carrier mobility for SOI technologies. The single crystalline Si(111)/Y <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> O <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> (111)/Pr <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> O <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> (111)/Si(111) heterostructure offers, in principle, the opportunity to grow strain-engineered epitaxial Si(111) layers, realizing compressed, fully relaxed, as well as tensile-strained Si films. The interface structures were precisely analyzed at the atomic scale through Cs-corrected STEM/EELS study.
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