ALTERNATIVE METHOD OF INVESTIGATING SURFACE TORSIONAL ANCHORING ENERGY FOR PURE NEMATIC LIQUID-CRYSTALS

Citation
Rp. Sun et al., ALTERNATIVE METHOD OF INVESTIGATING SURFACE TORSIONAL ANCHORING ENERGY FOR PURE NEMATIC LIQUID-CRYSTALS, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 50(2), 1994, pp. 1253-1256
Citations number
14
Categorie Soggetti
Physycs, Mathematical","Phsycs, Fluid & Plasmas
ISSN journal
1063651X
Volume
50
Issue
2
Year of publication
1994
Part
A
Pages
1253 - 1256
Database
ISI
SICI code
1063-651X(1994)50:2<1253:AMOIST>2.0.ZU;2-G
Abstract
The investigation of the surface anchoring energy for nematic liquid c rystals has always been an important branch of liquid crystal physics. By measuring the twist angle in the twist cell and the surface torsio nal angle between the rubbing direction and the liquid crystal directo r at the substrate boundary, an alternative measuring method of the su rface torsional anchoring energy for pure nematic liquid crystals with out chiral materials is given. The torsional anchoring energy of the i nterface between 4-n-pentyl-4'-cyanobiphenyl and rubbed polyimide is d etermined.