Helical dislocations and spiral etch-pits
- 1 October 1957
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 2 (22), 1264-1270
- https://doi.org/10.1080/14786435708244015
Abstract
The etch-patterns due to helical dislocations are discussed. It is suggested that under certain conditions the etching of a helical dislocation gives rise to a spiral etch-pit of the kind observed on germanium and silicon crystals. Etch-patterns on (111) faces of fluorite crystals containing helical dislocations can readily be interpreted on the same basis.Keywords
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