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Chem. Mater. 2002, 14, 5134-5139
Synthesis and Pyroelectric Properties of Novel Ferroelectric Organosiloxane Liquid Crystalline Materials J. Naciri,*,† D. K. Shenoy,† P. Keller,‡ S. Gray,† K. Crandall,§ and R. Shashidhar† Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, D.C. 20375, Laboratorie Physico-Chimie Curie CNRS UMR No. 168, Institut Curie-Section de Recherche, 11 Rue Pierre et Marie Curie, 75231 Paris, Cedex 05 France, and Geo-Centers, Inc., c/o Naval Research Laboratory, 54555 Overlook Avenue SW, Washington, D.C. 20375 Received July 8, 2002. Revised Manuscript Received September 24, 2002
Novel ferroelectric liquid crystal materials with large pyroelectric coefficients (exceeding 100 nC/cm2‚K even under zero applied bias field) as compared to those reported so far have been synthesized. The materials described show a low melting point (
