Abstract:Some results of up to 12 beam contrast calculations for systematic orientations have indicated that high order reflections at high voltages may provide improved dislocation resolution. For example the contrast profiles for dislocations show a decrease in image width for increasing order of reflection (i.e. increasing ḡ·), thus enabling improved resolution of narrow dislocation dissociations and closely spaced dipoles or superdislocations.This paper provides experimental confirmation that high order systematic … Show more
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