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Figure 8
Potential on the plane perpendicular to the [\overline 4] axis, including the Ca ion at the centre around (a) Ca1ix, (b) Ca1x and (c) Ca1xi in the occupied cage. The potential of the Ca ion is normalized to zero; contours are as in Fig. 5[link]. Ca1c ions are added as dark brown balls.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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