The pair interaction between Ge islands on vicinal Si(001) substrates is investigated by scanning tunneling microscopy measurements as a function of the miscut angle. By the analysis of the nearest-neighbor island distributions, we assess the dependence of the local strain field on the substrate misorientation. We support our results by modeling elastic relaxation for different shapes and arrangements of islands with finite element calculations. © 2010 The American Physical Society.
Persichetti, L., Sgarlata, A., Fanfoni, M., Balzarotti, A. (2010). Pair interaction between Ge islands on vicinal Si(001) surfaces. PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, 81(11) [10.1103/PhysRevB.81.113409].
Pair interaction between Ge islands on vicinal Si(001) surfaces
Persichetti L.;Sgarlata A.;
2010-01-01
Abstract
The pair interaction between Ge islands on vicinal Si(001) substrates is investigated by scanning tunneling microscopy measurements as a function of the miscut angle. By the analysis of the nearest-neighbor island distributions, we assess the dependence of the local strain field on the substrate misorientation. We support our results by modeling elastic relaxation for different shapes and arrangements of islands with finite element calculations. © 2010 The American Physical Society.| File | Dimensione | Formato | |
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