Abstract

ABSTRACTDielectric relaxation in ferroelectric composite nanocrystalline cellulose – triglycine sulfate in the frequency range from 103 to 106 Hz in a weak measuring field (1 V·cm−1) from room temperature to the phase transition temperature of these composites (+54°C) has been investigated. Two series of nanocomposites were used: the first one with the perpendicular directions of nanochannels with respect to the sample surface and the second one – with parallel. The typical for single-crystal triglycine sulfate maximum of the imaginary part of dielectric permittivity at frequencies (105 Hz – 106 Hz) in the case of composites nanocrystalline cellulose – triglycine sulfate is shifted to the range of lower frequencies (104 Hz – 105 Hz).

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