Abstract
Experimental Study on liquid crystal actuators is performed under a polarized microscope. The low molecular weight nematic liquid crystalline material is placed between parallel glass plates. The lower plate is fixed, and the upper can move freely. When 5V of electric field is imposed on the liquid crystalline material, the rod-like molecules re-align to the orientation direction perpendicular to the plates. During this re-alignment of the liquid crystalline molecules, the fluid flow, called back-flow, is induced. Because of the back-flow mechanism, the upper glass plate moves in a certain direction.
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