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Figure 7
Section of the structure by the approximate plane. The V—O polyhedra are approximated by octahedra and the numbers inside them specify the V-atom types. The Na atom sites are marked by circles if occupied and by crosses if empty. |
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Figure 7
Section of the structure by the approximate plane. The V—O polyhedra are approximated by octahedra and the numbers inside them specify the V-atom types. The Na atom sites are marked by circles if occupied and by crosses if empty. |