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The Fine Structure of Weak Kinematical Diffraction Beams. Observations on Coherent Domain Boundaries
Author(s) -
de Ridder R.,
van Landuyt J.,
Gevers R.,
Amelinckx S.
Publication year - 1970
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19700410206
Subject(s) - diffraction , physics , domain (mathematical analysis) , beam (structure) , intensity (physics) , electron diffraction , boundary (topology) , computational physics , satellite , transmission (telecommunications) , optics , mathematics , mathematical analysis , computer science , telecommunications , astronomy
The fine structure of a weak kinematical diffraction beam, arising from the presence of a coherent domain boundary in the selected area for transmission electron diffraction, is analysed by comparing the positions and intensities of the observed satellites with the theoretical predictions deduced in a previous paper. Because of the large variations in relative intensity only a limited number of the seven predicted satellites could be revealed. In order to observe and identify a larger number of satellites, diffraction patterns are made of an area containing a number of parallel boundaries. The observed satellite configuration is analysed in detail; the positions and intensities are in good agreement with the theoretical predictions.