Research Papers in Physics and Astronomy


Date of this Version

March 2006


Published in Journal of Physics: Condensed Matter 18:13 (5 April 2006), pp. L155-L161. doi:10.1088/0953-8984/18/13/L01 © 2006 IOP Publishing Ltd. Used by permission.


Two different polymers, with large local electric dipoles, are compared: copolymers of polyvinylidene fluoride with trifluoroethylene [P(VDF-TrFE, 70%:30%)] and polymethylvinylidenecyanide (PMVC). While the different local point group symmetries play a key role, both crystalline polymers exhibit intra-molecular band structure, though the Brillouin zone critical points differ.

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