Dielectric relaxation in a thermotropic side chain liquid crystalline polymer with nematic reentrant phase (original) (raw)

Journal of Physics-condensed Matter, 2008

Abstract

Dielectric spectroscopy of liquid crystalline cyanobiphenyl polyacrylates (CBPA6) with six methylene groups in the side chain has been investigated in the frequency range of 30 Hz-13 MHz and in the temperature interval from 100 to 470 K. From the temperature dependence of ε'(T), the anomalies corresponding to sequential phase transitions of liquid crystalline mesophases were revealed. The observed alpha- and

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