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Figure 3
Variation of the bond-valence sum of Ca on the Me1 position and Ba on the Me2 position as a function of the internal t coordinate with u = 0 and u = 0.5. The dashed lines represent the values for an unmodulated average structure. |
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Figure 3
Variation of the bond-valence sum of Ca on the Me1 position and Ba on the Me2 position as a function of the internal t coordinate with u = 0 and u = 0.5. The dashed lines represent the values for an unmodulated average structure. |