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Figure 7
M1_1—X distances from a (3 + 1)-dimensional structure model for (a) α = 5/3 and (b) α = 13/8, assuming no splitting for the M sites. t = x4αx1. M sites on the three-dimensional section t0 = 0 are indicated by dotted lines. Displacive modulations are ignored.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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