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Figure 5
Representations of (a) the MDO1 and (b) the MDO2 polytype of γ-CaTeO3 and CaxSr1 − xTeO3, viewed down [010]. MDO1 is represented by the crystal structure of Ca0.77Sr0.23TeO[_3], MDO2 by the main polytype of γ-CaTeO3. Letters to the right describe the layer type. A superscript `+' or `−' besides layers of type B indicates its orientation with respect to [010]. Colour codes, displacement ellipsoids and symbols as in Fig. 2[link].

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 65| Part 2| March 2009| Pages 167-181
doi:10.1107/S0108768109002997
Follow Acta Cryst. B
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