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Figure 7
Derived reciprocal-lattice points hkl from (a) a B1 phase and (b) a B2 phase indicating a false lattice description, projected along [010]*. The indices only distinguish between reciprocal-lattice points with k = 0 or k = 1 in order to illustrate the layered arrangement. The distribution in panel (a) describes an I* lattice. Because of the systematic lack of hkl in panel (b), the actual P* lattice is misinterpreted as an F* (I) lattice, cf. the incorrect unit-cell edges drawn by the turquoise frame. Note that centred reciprocal-lattice points are shown smaller and darker than those sitting at the corners of the assumed unit cell.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 56| Part 2| April 2023| Pages 367-380
https://doi.org/10.1107/S1600576723000845
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