Threefold rotational symmetry in hexagonally shaped core–shell (In,Ga)As/GaAs nanowires revealed by coherent X-ray diffraction imaging

Davtyan, A.; Krause, T.; Kriegner, D.; Al-Hassan, A.; Bahrami, D.; Mostafavi Kashani, S.M.; Lewis, R.B.; Küpers, H.; Tahraoui, A.; Geelhaar, L.; Hanke, M.; Leake, S.J.; Loffeld, O.; Pietsch, U.

doi:10.1107/S1600576717004149

Journal of Applied Crystallography Journal of Applied
Crystallography

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Figure 5
FEM models and corresponding simulated GaAs 111 and GaAs 333 RSMs and real-space phases for the single NW with different inner shell (In,Ga)As. (a) The (In,Ga)As shell is hexagonally shaped and the resulting RSMs and phases show sixfold symmetry. (b)–(d) The hexagonal symmetry of the (In,Ga)As shell breaks by introducing 〈112〉A faceting at the corners of the (In,Ga)As shell. (e) The deformation of the (In,Ga)As shell where almost no $[(11{\overline 2})]$ and $[(1{\overline 1}0)]$ facets are visible.

JOURNAL OF
APPLIED
CRYSTALLOGRAPHY

ISSN: 1600-5767

Volume 50| Part 3| June 2017| Pages 673-680

https://doi.org/10.1107/S1600576717004149

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