Dislocation configurations in magnesium oxide observed by x-ray topography
- 1 August 1964
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 10 (104) , 263-268
- https://doi.org/10.1080/14786436408225663
Abstract
A Norton crystal was found which had high lattice perfection and low dislocation density comparable to that obtainable in lithium fluoride. In sub-grains 1–2 mm in diameter the dislocations were mainly concentrated in polygonal cell walls, leaving regions 200 to 500 μm in diameter almost dislocation-free. The total dislocation content of this crystal was estimated to be 2.5 × 105 lines/cm2 including those in low-angle boundaries. Other crystals had dislocation densities ∼ 105 lines/cm2 within sub-grains alone and contained many loops and helices.Keywords
This publication has 2 references indexed in Scilit:
- A study of pendellösung fringes in X-ray diffractionActa Crystallographica, 1959
- The projection topograph: a new method in X-ray diffraction microradiographyActa Crystallographica, 1959