Paper Title:

Compliance at the GaSb/GaP Interface by Misfit Dislocations Array

Periodical Advanced Materials Research (Volume 324)
Main Theme Advances in Innovative Materials and Applications
Edited by Maher Soueidan, Mohamad Roumié and Pierre Masri
Pages 85-88
DOI 10.4028/www.scientific.net/AMR.324.85
Citation Salim El Kazzi et al., 2011, Advanced Materials Research, 324, 85
Online since August, 2011
Authors Salim El Kazzi, Ludovic Desplanque, Christophe Coinon, Yi Wang, Pierrre Ruterana, Xavier Wallart
Keywords Antimonides, Gallium Phosphide, Misfit Dislocation, Molecular Beam Epitaxy
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Abstract

We study the initial growth of 10 monolayers (MLs) of GaSb on a (001) GaP substrate. Transmission electron microscopy and reflection high energy electron diffraction analysis show that an Sb-rich GaP surface promotes the formation of a 90° misfit dislocation array at the epi-substrate interface. Using atomic force microscopy, we investigate the influence of the growth temperature and the growth rate on the formation and the shape of GaSb islands.