Growth twinning in magnesium oxide smoke crystals
- 1 February 1979
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine A
- Vol. 39 (2) , 163-172
- https://doi.org/10.1080/01418617908236890
Abstract
Growth twins in magnesium oxide are shown to occur when magnesium is burnt in air in the presence of water vapour. The twins are coherent and the external morphology shows mirror symmetry across the {111} composition plane. The significance of the existence and form of these twins in such a highly ionic material is considered in terms of the structure of the boundary layer and the role of the water vapour.Keywords
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