The determination of extinction distances and anomalous absorption coefficients by scanning transmission electron microscopy
- 1 January 1978
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine A
- Vol. 37 (1) , 1-16
- https://doi.org/10.1080/01418617808239158
Abstract
A simple and relatively accurate technique for determining extinction distance ζg and anomalous absorption coefficient ζg/ζg′ is described. The method uses measurements made on convergent beam diffraction patterns obtained with a commercial scanning transmission electron microscope (STEM) fitted with a specially designed condenser aperture. Results obtained for various reflections in copper are compared with theoretical values taken from the literature.Keywords
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