An analysis of weak-beam α Fringes formed by systematic diffractions
- 1 November 1988
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine A
- Vol. 58 (5) , 825-832
- https://doi.org/10.1080/01418618808209957
Abstract
The weak-beam image of a fault type interface (weak-beam α-fringe) characterized by the translation of the neighbouring crystals has been re-examined. The displacement of the thickness fringe at the interface with only one set of systematic diffraction is proved to coincide with that of a two-beam state under a sufficiently weak diffraction condition. The direct measurement of the lattice displacement at the interface previously reported is therefore valid.Keywords
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