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Issue 35, 2006
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Scanning pyroelectric microscopy revealing the spatial polarity distribution in topologically centric crystals of trans-4-chloro-4′-nitrostilbene

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Abstract

Scanning pyroelectric microscopy (SPEM) was applied to investigate grown-in polarity in trans-4-chloro-4′-nitrostilbene (CNS) single crystals. Sectors {011} and {01[1 with combining macron]} were scanned for cross sections perpendicular to the a-direction. A rotational analysis for {011}, {01[1 with combining macron]} 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.

Graphical abstract: Scanning pyroelectric microscopy revealing the spatial polarity distribution in topologically centric crystals of trans-4-chloro-4′-nitrostilbene

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Publication details

The article was received on 25 May 2006, accepted on 13 Jul 2006 and first published on 24 Jul 2006


Article type: Paper
DOI: 10.1039/B607409J
Citation: Phys. Chem. Chem. Phys., 2006,8, 4131-4137
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    Scanning pyroelectric microscopy revealing the spatial polarity distribution in topologically centric crystals of trans-4-chloro-4′-nitrostilbene

    N.-R. Behrnd, G. Couderc, M. Wübbenhorst and J. Hulliger, Phys. Chem. Chem. Phys., 2006, 8, 4131
    DOI: 10.1039/B607409J

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