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 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.
@article{arxiv.2112.06493,
title = {Regulated dynamics with two-monolayer steps in vapor-solid-solid growth of nanowires},
author = {Edith Bellet-Amalric and Federico Panciera and Gilles Patriarche and Laurent Travers and Martien den Hertog and Jean-Christophe Harmand and Frank Glas and Joel Cibert},
journal= {arXiv preprint arXiv:2112.06493},
year = {2021}
}