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Title: Surface-induced pretransitional order in the isotropic phase near the isotropic-nematic phase transition
Authors: DeSchrijver, P
VanDael, W
Thoen, Jan #
Issue Date: Nov-1996
Publisher: Taylor & francis ltd
Series Title: Liquid crystals vol:21 issue:5 pages:745-749
Abstract: We have studied the formation of a nematic layer in the isotropic phase of members of the homologous series of alkylcyanobiphenyl liquid crystals (nCB, n = 5-12) near a polyamide-coated glass surface. From the temperature dependence near the isotropic-nematic transition of the standard ellipsometric quantity Delta, which is directly related to the residual birefringence, the wetting behaviour of the nematic layer was investigated using a high precision rotating analyser ellipsometer. In contrast to the results of Chen et al., who observed a wetting transition for nCB-DMOAP-glass systems, our results indicate that for the nCB-polyamide-glass configurations the wetting is always partial.
URI: 
ISSN: 0267-8292
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
# (joint) last author

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