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Figure 6
(a) Rietveld refinements based on synchrotron diffraction data of KNN–0.90BNT. The inset shows the region around the 200C reflection with contributions from the tetragonal P4bm phase and rhombohedral R3c phase. (b), (c) The same, but for neutron diffraction data (b) at room temperature and (c) at 4 K. Both rhombohedral and tetragonal superstructure reflections ooe and ooo, respectively, are visible in the insets. The reflection at 2θ = 38.1° marked with `C' is due to the cryostat material.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 49| Part 2| April 2016| Pages 574-584
https://doi.org/10.1107/S1600576716002909
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