Structure and growth mechanism of tetrapod-like ZnO particles
- 1 October 1997
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine A
- Vol. 76 (4) , 889-904
- https://doi.org/10.1080/01418619708214216
Abstract
Tetrapod-like ZnO particles having four legs shorter than a micrometre have been observed by transmission electron microscopy and electron diffractometry. The particles are composed of six or more wurtzite-type elements. Four of them make legs and others form (1122) twins with the legs. Particles composed of only four wurtzite-type legs are also observed to form three (1124) twins among them. We propose a growth model that the tetrapod-like ZnO particle grows from wurtzite-type multiple twins induced in a zincblende-type nucleus, taking account of the combination of the slips caused at the phase transformation.Keywords
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