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APS » Journals » Phys. Rev. E » Volume 49 » Issue 2
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Phys. Rev. E 49, R990–R993 (1994)

Anchoring transition in a nematic liquid crystal composed of centrosymmetric molecules

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V. G. Nazarenko
Liquid Crystal Institute, Kent State University, Kent, Ohio 44242

O. D. Lavrentovich
Liquid Crystal Institute and Department of Physics, Kent State University, Kent, Ohio 44242

Received 21 October 1993; published in the issue dated February 1994

A temperature-driven anchoring transition strongly influenced by ionic impurities appears in a nematic liquid crystal composed of centrosymmetric molecules. Two anchoring parameters, the tilt angle and the anchoring strength, were measured. The observed phenomena are explained as a result of a balance between the orienting tendencies of electric double layers and direct molecular interactions at the interface.

© 1994 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.49.R990
DOI:
10.1103/PhysRevE.49.R990
PACS:
61.30.Eb, 61.30.-v
 
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