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Figure 1 The local structure around the (K, Ca) site (a), and a schematic view projected along [101] (b). Octahedra represent NbO6, large and small ellipsoids represent F and (K, Ca) atoms, respectively. |
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Figure 1 The local structure around the (K, Ca) site (a), and a schematic view projected along [101] (b). Octahedra represent NbO6, large and small ellipsoids represent F and (K, Ca) atoms, respectively. |