Figure 1

Observed (crosses), calculated (line) and difference (bottom) neutron-diffraction patterns of the tetragonal Na3[Ti2P2O10F] at room temperature (a) and 600°C (b).
Observed (crosses), calculated (line) and difference (bottom) neutron-diffraction patterns of the tetragonal Na3[Ti2P2O10F] at room temperature (a) and 600°C (b).