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Absolute Measurement of the Critical Behavior of the Smectic Elastic Constant of Bilayer and Monolayer Smectic-A Liquid Crystals on Approaching the Transition to the Nematic Phase
(American Physical Society, 1984)
A new technique which provides an absolute measurement of the smectic elastic constant B is presented. This technique measures second sound on samples whose top surface is an air—liquid-crystal interface. The free surface ...