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Figure 4
Superlattice reflections {1/2 1/2 1/2} and {3/2 1/2 1/2} at 2θ = 18.5° and 35.95° positions of (a) a PCN ceramic and (b) a PCN single crystal. The ordinate values of all inset images are given on a logarithmic scale.

IUCrJ
Volume 5| Part 6| November 2018| Pages 808-815
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518013805