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Figure 2
The Ba–Zn–Fe pseudoternary phase diagram showing the MpS and MpYn mixed layer subgroups of the hexaferrites. The MpS subgroup lie on the line between M and the ZnFe2O4 spinel (S), and the MpYn subgroup lies on the line between M and Y. The compositions of the hexaferrites with previously reported crystal structures (Table 2[link]) are shown in red, and those of the hexaferrites with crystal structures reported in this work (Table 4[link]) are shown in blue.

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