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Figure 7
Partial projection of the (68)3 hexaferrite structural model corresponding to a single MYMY2MYMY4 sequence. The unit cell contains a threefold repeat of the sequence shown, with subsequent repeats translated in plane by (2/3, 1/3). The tetrahedral (light blue), octahedral (dark blue) and bipyramidal (grey) iron environments are represented. Tetrahedral mixed iron/zinc sites are shown in orange and barium atoms are shown in green. The histogram indicates the proportions of iron (light blue) and zinc (orange) occupancy in the tetrahedral sites.

IUCrJ
Volume 5| Part 6| November 2018| Pages 681-698
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518011351