Liquid crystals under compression and tension

V. Manjuladevi; N. V. Madhusudana

doi:10.1117/12.581086

1 September 2004 Liquid crystals under compression and tension

V. Manjuladevi, N. V. Madhusudana

Proceedings Volume 5565, XV Conference on Liquid Crystals; (2004) https://doi.org/10.1117/12.581086
Event: XV Conference on Liquid Crystals, 2003, Zakopane, Poland

Abstract

We report measurements of the temperature dependences of the birefringence of a number of nematogens under high pressures. In a compound whose molecules have large longitudinal dipole moments, we detect a nematic to nematic transition when the order parameter is sufficiently high. We also describe a technique of subjecting aligned liquid crystal droplets to large negative pressures and measuring the temperature dependence of birefringence under isochoric conditions. The temperature range of the partial bilayer smectic A_d phase gets shrunk at elevated pressures but gets enlarged under tension.

Citation Download Citation

V. Manjuladevi and N. V. Madhusudana "Liquid crystals under compression and tension", Proc. SPIE 5565, XV Conference on Liquid Crystals, (1 September 2004); https://doi.org/10.1117/12.581086

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