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A chevron model of the electroclinic effect across the SA*-SC* phase transition in a SSFLC

Beldon, Steve M. and Mottram, Nigel J. and Elston, Steve J. (2001) A chevron model of the electroclinic effect across the SA*-SC* phase transition in a SSFLC. Molecular Crystals and Liquid Crystals, 365 (1). pp. 729-783. ISSN 1542-1406

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Abstract

We here present a thorough model of the electroclinic effect across the SA*-SC* phase transition, being the first to incorporate the vertical chevron structure. This structure has previously been observed in the SC* phase of surface-stabilised FLC (SSFLC) devices, and some experimental evidence suggests that it may be present in the electroclinic effect [1-3]. Excellent agreement is achieved when comparing this model with previous experimental results of optical tilt through the A-C* transition for a SSFLC cell with homogeneous alignment.