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Nondestructive Characterization of a Lyotropic Liquid Crystalline System
In the present work, the characterization of a calamitic liquid crystal mixture-sodium lauryl sulphate (SLS)/decanol/water-has been reported using ultrasonic velocity and absorption measurements as a function of temperature and concentration. The experimental tools used were, ultrasonic interferometry for the velocity and pulse-echo technique for the absorption measurements. The results are discussed in terms of the temperature and concentration dependent lyotropic liquid crystal formed in the material system.
Keywords
Ultrasonic Velocity, Ultrasonic Absorption, Lyotropic Liquid Crystals, Pulse-Echo Technique.
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