Figure 8
The unit-cell contents of the crystal structures of (a) -CaTeO3 (P1) and (b) β′-CaTeO3 () measured at 295 and at 200 K, projected along [] exemplifying the threefold superstructure along [100]. Colour codes, displacement ellipsoids and symbols as in Fig. 2. The layer type according to the OD description of γ-CaTeO3 is denoted by letters to the right. Letters at the top denote the rod type. |