Abstract
We have recorded the angular dependence of the ellipsometric signal of bulkisotropic dodecylcyanobiphenyl (12CB) as a function of temperature in the pre-smectic temperature region. Using a simple model, the order parameter of the discontinuously growing smectic surface layer has been determined approaching the isotropic-smectic phase transition temperature. Also the pretransitional isotropic region of the isotropic-smectic transition of the liquid crystal compound 2-(4-(1,1-dihydro-2-(2-perfluorobutoxy)perfluoroethoxy) phenyl-5-octyl pyrimidine (H8F(4,2,1)MOPP) has been investigated.
Original language | English (US) |
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Pages (from-to) | 663-670 |
Number of pages | 8 |
Journal | Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals |
Volume | 329 |
DOIs | |
State | Published - 1999 |
Event | Proceedings of the 1998 17th International Liquid Crystal Conference - Strasbourg, France Duration: Jul 19 1998 → Jul 24 1998 |