Electrically tunable spatially variable switching in ferroelectric liquid crystal/water system | Zendy

Amit Choudhary | Zendy; Indrani Coondoo | Zendy; Jai Prakash | Zendy; K. Sreenivas | Zendy; A. M. Biradar | Zendy

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Electrically tunable spatially variable switching in ferroelectric liquid crystal/water system

Author(s) -

Amit Choudhary,

Indrani Coondoo,

Jai Prakash,

K. Sreenivas,

A. M. Biradar

Publication year - 2009

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3126960

Subject(s) - ferroelectricity , liquid crystal , electric field , materials science , molecule , fourier transform infrared spectroscopy , diffusion , chemical physics , infrared , fourier transform , optics , dielectric , optoelectronics , chemistry , thermodynamics , physics , organic chemistry , quantum mechanics

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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