Choudhary, A. and Coondoo, I. and Prakash, J. and Sreenivas, K. and Biradar, A. M.
(2009)
Electrically tunable spatially variable switching in ferroelectric liquid crystal/water system.
Applied Physics Letters, 94 (17).
174101 -1.
ISSN 1077-3118
Abstract
An unusual switching phenomenon in the region outside conducting patterned area in ferroelectric liquid crystal (FLC) containing about 1–2 wt % of water has been observed. The presence of water in the studied heterogeneous system was confirmed by Fourier transform infrared spectroscopy. The observed optical studies have been emphasized on the “spatially variable switching” phenomenon of the molecules in the nonconducting region of the cell. The observed phenomenon is due to diffusion of water between the smectic layers of the FLC and the interaction of the curved electric field lines with the FLC molecules in the nonconducting region.
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