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Title: Scanning pyroelectric microscopy revealing the spatial polarity distribution in topologically centric crystals of trans-4-chloro-4 '-nitrostilbene
Authors: Behrnd, N. -R ×
Couderc, G
W├╝bbenhorst, Michael
Hulliger, J #
Issue Date: Jul-2006
Publisher: Royal soc chemistry
Series Title: Physical Chemistry Chemical Physics vol:8 issue:35 pages:4132-4137
Abstract: Scanning pyroelectric microscopy (SPEM) was applied to investigate grown-in polarity in trans-4-chloro-40-nitrostilbene (CNS) single crystals. Sectors {011} and {01 (1) over bar} were scanned for cross sections perpendicular to the a-direction. A rotational analysis for {011}, {01 (1) over bar} faces was performed for a needle like crystal turned around the a- axis. All pyroelectric experiments confirm a bipolar grown-in state of polarity for sector involving the twofold axis b. These measurements agree with theoretical force field and stochastic calculations, predicting a bipolar state and a nearly identical extent of polarity for two different sectors.
URI: 
ISSN: 1463-9076
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
× corresponding author
# (joint) last author

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