Anisotropic Ultrasonic Properties of a Nematic Liquid Crystal
- 31 August 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 25 (9) , 570-572
- https://doi.org/10.1103/physrevlett.25.570
Abstract
Ultrasonic measurements (2 to 6 MHz) on a room-temperature nematic liquid crystal have shown the attenuation to vary strongly with the angle between the sound-wave propagation direction and the direction of an aligning magnetic field. The velocity change is quite small, amounting to some 0.1% between the and the case. The orientation-dependent attenuation is of the hysteresis type.
Keywords
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