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Figure 2
A view of the structure along [001], showing the octahedral tilting about the polar c axis. The Na/Bi cation is displaced along the +c axis (out of the plane, defined by the O atoms A, B, C and D). |
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Figure 2
A view of the structure along [001], showing the octahedral tilting about the polar c axis. The Na/Bi cation is displaced along the +c axis (out of the plane, defined by the O atoms A, B, C and D). |