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Article Dans Une Revue ACS Nano Année : 2022

Regulated dynamics with two-monolayer steps in vapor-solid-solid growth of nanowires

Résumé

The growth of ZnTe nanowires and ZnTe-CdTe nanowire heterostructures is studied by \emph{in situ} transmission electron microscopy. We describe the shape, and the change of shape, of the solid gold nanoparticle during vapor-solid-solid growth. We show the balance between one-monolayer and two-monolayer steps which characterizes the vapor-liquid-solid and vapor-solid-solid growth modes of ZnTe. We discuss the likely role of the mismatch strain and lattice coincidence between gold and ZnTe on the predominance of two-monolayer steps during vapor-solid-solid growth, and on the subsequent self-regulation of the step dynamics. Finally, the formation of an interface between CdTe and ZnTe is described.
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Dates et versions

hal-03475082 , version 1 (10-12-2021)
hal-03475082 , version 2 (25-02-2022)

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Edith Bellet-Amalric, Federico Panciera, Gilles Patriarche, Laurent Travers, Martien den Hertog, et al.. Regulated dynamics with two-monolayer steps in vapor-solid-solid growth of nanowires. ACS Nano, 2022, 16 (3), pp.4397-4407. ⟨10.1021/acsnano.1c10666⟩. ⟨hal-03475082v2⟩
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