INDUCTION OF A TILTED CHIRAL STRUCTURE IN MICRO-CONFINED CHOLESTERIC LIQUID-CRYSTALS

Authors
SCHMIEDEL H STANNARIUS R FELLER G CRAMER C
Citation
H. Schmiedel et al., INDUCTION OF A TILTED CHIRAL STRUCTURE IN MICRO-CONFINED CHOLESTERIC LIQUID-CRYSTALS, Zeitschrift für physikalische Chemie, 190, 1995, pp. 135-142
Citations number
15
Categorie Soggetti
Chemistry Physical","Physics, Atomic, Molecular & Chemical
Journal title
Zeitschrift für physikalische Chemie → ACNP
ISSN journal
09429352
Volume
190
Year of publication
1995
Part
1
Pages
135 - 142
Database
ISI
SICI code
0942-9352(1995)190:<135:IOATCS>2.0.ZU;2-O
Abstract
Twisted nematic liquid crystals have been adsorbed in submicrometer mi cropores of amorphous gamma-Al2O3 membranes. A large optical activity indicates a long-range chiral structure of the liquid crystal along th e pore channels. NMR spectra show that the directors are oriented very close to the pore axes. This suggests a novel long-range conic helica l structure of the director field in the adsorbed liquid crystal.