Double minimum in the surface stabilized ferroelectric liquid crystal switching response | Zendy

C. V. Brown | Zendy; James Hind | Zendy; K. P. Lymer | Zendy; J.C. Jones | Zendy

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Double minimum in the surface stabilized ferroelectric liquid crystal switching response

Author(s) -

C. V. Brown,

James Hind,

K. P. Lymer,

J.C. Jones

Publication year - 2004

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 - 10.1063/1.1786365

Subject(s) - ferroelectricity , liquid crystal , materials science , permittivity , condensed matter physics , layer (electronics) , crystal (programming language) , switching time , dielectric , double layer (biology) , optics , crystallography , optoelectronics , chemistry , physics , nanotechnology , computer science , programming language

A double minimum has recently been observed in the time–voltage switching response for a smectic C* liquid crystal layer in the surface stabilized geometry (“Ferroelectric Liquid Crystal Device,” K. P. Lymer and J. C. Jones, U.K. Patent No. GB2338797, 17th June 1999). Liquid crystal continuum theory is used to demonstrate that this unusual switching behavior arises if the equilibrium orientation of the molecular director rotates around the smectic cone as a function of distance through one half of the layer only. The double minimum is shown to evolve for large differences between the e2 and e1 components of the smectic C biaxial permittivity tensor.

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