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Does Crystal Tilt Enhance the Electron Interaction?

Published online by Cambridge University Press:  28 July 2005

D. Van Dyck ,
R.M.J. Bokel  and
H.W. Zandbergen
D. Van Dyck
Affiliation:
Department of Physics, University of Antwerp (RUCA), Groenenborgerlaan 171, B-2020 Antwerp, Belgium
R.M.J. Bokel
Affiliation:
National Centre for High Resolution Electron Microscopy, Laboratory of Materials Science, Delft University of Technology, Rotterdamseweg 137, NL-2628 AL Delft, The Netherlands
H.W. Zandbergen
Affiliation:
National Centre for High Resolution Electron Microscopy, Laboratory of Materials Science, Delft University of Technology, Rotterdamseweg 137, NL-2628 AL Delft, The Netherlands
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Abstract

We have observed that a slight crystal tilt away from the zone axis paradoxically decreases the dynamical extinction length, as if the electron-crystal interaction increases. This effect disappears at larger tilt angles. Using the simplified channeling theory, this behavior is explained.

Keywords

high resolution electron microscopychannelingcrystal misorientation
Type
Research Article
Information
Microscopy and Microanalysis , Volume 4 , Issue 4 , August 1998 , pp. 428 - 434
Copyright
© 2005 Microscopy Society of America

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