Field ion images from ordered Ni4Mo
- 1 December 1968
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 18 (156) , 1127-1141
- https://doi.org/10.1080/14786436808227743
Abstract
Field ion images from ordered Ni4Mo with He and He–Ne mixtures are very stable and contain a variety of interesting crystallographic features. Translational antiphase boundaries are readily identified because of the layered structure of Ni4Mo and the prominence of the Mo atoms in the images. Although the Ni atoms do not image readily they are faintly visible on certain superlattice planes where they occur in layers. A dark zone pattern which is asymmetric with respect to the overall crystallographic pattern is shown to be related to the orientation of the ordered β structure with respect to the disordered face-centred cubic α structure.Keywords
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