Surface-induced ordering effect in one antiferroelectric liquid crystal compound

Lidong Pan, Shun Wang, C. S. Hsu, C. C. Huang

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Null transmission ellipsometer was employed to study the surface-induced tilt transition of an antiferroelectric liquid crystal compound in the bulk smectic- A (SmA) temperature range. The data of the surface tilt transition can be fitted with an extended mean-field model. These results indicate the transition is near a mean-field tricritical point. The surface layers' tilt directions are found to be in different planes several degrees above the bulk SmA-Sm Cα transition.

Original languageEnglish (US)
Article number031704
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Issue number3
StatePublished - Mar 3 2009


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