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Lazarevicite-type short-range ordering in ternary III-V nanowires

Abstract : Stabilizing ordering instead of randomness in alloy semiconductor materials is a powerful means to change their physical properties. We used scanning tunneling and transmission electron microscopies to reveal the existence of an unrecognized ordering in ternary III-V materials. The lazarevicite short-range order, found in the shell of InAs 1 − x Sb x nanowires, is driven by the strong Sb-Sb repulsion along 110 atomic chains during their incorporation on unreconstructed { 110 } sidewalls. Its spontaneous formation under group-III-rich conditions of growth offers the prospect to broaden the limited classes of ordered structures occurring in III-V semiconductor alloys.
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https://hal.laas.fr/hal-01713066
Contributor : Sébastien Plissard <>
Submitted on : Tuesday, February 20, 2018 - 10:36:31 AM
Last modification on : Wednesday, June 9, 2021 - 10:00:23 AM

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M. Schnedler, Isabelle Lefebvre, T. Xu, V. Portz, Gilles Patriarche, et al.. Lazarevicite-type short-range ordering in ternary III-V nanowires. Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2016, 94 (19), pp.195306. ⟨10.1103/PhysRevB.94.195306⟩. ⟨hal-01713066⟩

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