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Article Dans Une Revue Applied Physics Letters Année : 2015

Nanoscale strain distributions in embedded SiGe semiconductor devices revealed by precession electron diffraction and dual lens dark field electron holography

Résumé

The detailed strain distributions produced by embedded SiGe stressor structures are measured at high spatial resolution with high precision, with dual lens dark field electron holography and precession electron diffraction. Shear strain and lattice rotation within the crystalline lattice are observed at the boundaries between the SiGe and Si regions. The experimental results are compared to micromechanical modeling simulations to understand the mechanisms of elastic relaxation on all the modes of deformation at a sub-micron length scale. (C) 2015 AIP Publishing LLC.
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hal-01616542 , version 1 (13-10-2017)

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Y. Y. Wang, David Cooper, Jean-Luc Rouvière, C. E. Murray, N. Bernier, et al.. Nanoscale strain distributions in embedded SiGe semiconductor devices revealed by precession electron diffraction and dual lens dark field electron holography. Applied Physics Letters, 2015, 106 (4), pp.042104. ⟨10.1063/1.4906513⟩. ⟨hal-01616542⟩
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