Lazarevicite-type short-range ordering in ternary III-V nanowires
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Schnedler, M.
Lefebvre, I
Xu, T.
Portz, V.
Patriarche, G.
Nys, J.
Plissard, Sebastien
Caroff, Philippe
Berthe, M.
Eisele, H.
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American Physical Society
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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
InAs1−xSbx nanowires, is driven by the strong Sb-Sb repulsion along ⟨100⟩ 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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Physical Review B: Condensed Matter and Materials
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