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Figure 6
SPEM data for a polished bc plane of a 4-bromo-4′-cyano-biphenyl (BCNBP) crystal. (Left) A two-dimensional scan over the plane, showing two domains of opposite polarity separated by a transition zone. (Right) A pyroelectric scan to investigate the transition zone extending over a width of about 100 µm, where the polarization reaches zero to become inverted (Burgener et al., 2016BB11).

IUCrJ
Volume 4| Part 4| July 2017| Pages 360-368
ISSN: 2052-2525
https://doi.org/10.1107/S205225251700700X