Behavior of the Anchoring Strength Coefficient Near a Structural Transition at a Nematic Substrate Interface

Document Type

Article

Publication Date

3-1-1990

Department

Chemistry and Biochemistry

School

Mathematics and Natural Sciences

Abstract

A nearly symmetric alkoxyphenylbenzoate monomer is found to exhibit a transition from perpendicular to tilted alignment at a lecithin-treated glass substrate several degrees below the nematic-isotropic phase transition. By means of the Freedericksz transition the coefficient B of the anchoring energy has been obtained. It is found that B rapidly decreases, and the tilt susceptibility increases on approaching this transition.

Publication Title

Liquid Crystals

Volume

7

Issue

3

First Page

353

Last Page

360

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