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Figure 7
Schematic representation of the (a) MDO1 and (b) MDO2 polytypes and (c) the family structure of (1) under the assumption of s = ½, viewed down [100]. Triangles are black on one side and white on the other. An additional triangle of opposite colour indicates a translation along a/2. Symmetry operations of the layers (λ-POs) and operations relating adjacent layers are indicated as in Fig. 5[link]. Operations valid for the whole polytype are painted in red. Unit cells are represented by black polygons.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 71| Part 5| September 2015| Pages 524-534
doi:10.1107/S2052520615015097
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