Dielectric properties of LC mixtures containing ferroelectric liquid crystals

Zbigniew Raszewski; Jolanta Rutkowska; Jerzy Kedzierski; Jerzy Zielinski; Jozef Zmija; Roman S. Dabrowski; Pawel Perkowski

doi:10.1117/12.156983

15 October 1993 Dielectric properties of LC mixtures containing ferroelectric liquid crystals

Zbigniew Raszewski, Jolanta Rutkowska, Jerzy Kedzierski, Jerzy Zielinski, Jozef Zmija, Roman S. Dabrowski, Pawel Perkowski

Author Affiliations +

Proceedings Volume 1845, Liquid and Solid State Crystals: Physics, Technology and Applications; (1993) https://doi.org/10.1117/12.156983
Event: Liquid and Solid State Crystals: Physics, Technology, and Applications, 1992, Zakopane, Poland

Abstract

Measurements of complex electric permittivity have been taken on aligned samples of room- temperature ferroelectric liquid crystals mixtures. The spontaneous polarization, the tilt angle, and pitch in those mixtures have been measured. By fitting to the experimental points of electric permittivity the Cole-Cole modification of the Debye equation dielectric strength, the relaxation frequency, and distribution parameter for the Goldstone mode have been computed. The dielectrically observed Goldstone mode in our mixtures is a function of the concentration of chiral dopant and of measuring field magnitude.

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Zbigniew Raszewski, Jolanta Rutkowska, Jerzy Kedzierski, Jerzy Zielinski, Jozef Zmija, Roman S. Dabrowski, and Pawel Perkowski "Dielectric properties of LC mixtures containing ferroelectric liquid crystals", Proc. SPIE 1845, Liquid and Solid State Crystals: Physics, Technology and Applications, (15 October 1993); https://doi.org/10.1117/12.156983

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