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Proceedings Paper

Dielectric properties of LC mixtures containing ferroelectric liquid crystals
Author(s): Zbigniew Raszewski; Jolanta Rutkowska; Jerzy Kedzierski; Jerzy Zielinski; Jozef Zmija; Roman S. Dabrowski; Pawel Perkowski
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Paper 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.

Paper Details

Date Published: 15 October 1993
PDF: 5 pages
Proc. SPIE 1845, Liquid and Solid State Crystals: Physics, Technology and Applications, (15 October 1993); doi: 10.1117/12.156983
Show Author Affiliations
Zbigniew Raszewski, Military Technical Academy (Poland)
Jolanta Rutkowska, Military Technical Academy (Poland)
Jerzy Kedzierski, Military Technical Academy (Poland)
Jerzy Zielinski, Military Technical Academy (Poland)
Jozef Zmija, Military Technical Academy (Poland)
Roman S. Dabrowski, Military Technical Academy (Poland)
Pawel Perkowski, Military Technical Academy (Poland)


Published in SPIE Proceedings Vol. 1845:
Liquid and Solid State Crystals: Physics, Technology and Applications

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