Electromechanical response to white noise excitation in a ferroelectric liquid crystal
- 1 January 1989
- journal article
- Published by EDP Sciences in Journal de Physique
- Vol. 50 (7) , 783-792
- https://doi.org/10.1051/jphys:01989005007078300
Abstract
The electromechanical (EM) coupling in a chiral liquid crystal was first investigated under a white electrical excitation. The mechanical response of the system was detected in the range of 0-20 kHz. The effect of the amplitude of applied voltage on the EM response and that of the sample temperature was investigated. Some of the characteristic spectral components have been identified. The elastic constant attributed to the deformation of smectic layers and the ratio of the EM coupling coefficient to the viscosity have been determined by a new methodKeywords
This publication has 4 references indexed in Scilit:
- A special shear method of alignment for smectic liquid crystalsCrystal Research and Technology, 1988
- Continuum Theory of Uniformly Layered Chiral Smectic C* in an Electromagnetic FieldMolecular Crystals and Liquid Crystals, 1987
- Electromechanical effect in S*c liquid crystalsFerroelectrics, 1986
- New electromechanical effect in chiral smectic C* liquid crystalsJournal de Physique Lettres, 1985