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Figure 8
(a) Relaxed prismatic dislocation loop with b = [\textstyle{1\over2}][101] at the centre of a 30 × 30 × 30 nm Wulff copper crystal. The colour code represents the coordination number, such that only the defective atoms and nanocrystal edges are shown. The loop decomposes into partial dislocations in its ([1 1 {\overline 1}]) and ([ {\overline 1} 1 1]) slip planes. (b) The same dislocation loop viewed along the [101] direction. Calculated CXD pattern for g||b (g = 202) (c), g||[{\bf b}_{\rm p}] (g = 422) (d), g·b = 0 and g·(b × t) ≠ 0 (g = [2 {\overline 6} {\overline 2}]) (e), and g·b = 0 and g·(b × t) = 0 (g = 020) (f). The selected area of the reciprocal space is kept to the same value in all figures and is equal to 0.045 × 0.0675 Å−1.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 48| Part 3| June 2015| Pages 621-644
https://doi.org/10.1107/S1600576715005324
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