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Figure 6
(a) SAED, (b) CBED and (c) a montage of 23 D-LACBED patterns taken from [[50{\overline 5}1]] α-Al2O3. Highlighted reflections in the SAED pattern are kinematically forbidden. The presence of HOLZ lines breaks the vertical mirror symmetry present in the ZOLZ. The whole-pattern symmetry is m and the diffraction group is 2RmmR.

ISSN: 2053-2733
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