Surface phase transitions in free-standing films of nonchiral tilted hexatic liquid crystals
Journal
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Journal Volume
67
Journal Issue
4 1
Pages
407021-407024
Date Issued
2003
Author(s)
Abstract
Surface freezing transitions in free-standing films of achiral Schiff's-base liquid crystals 5O.6 and 7O.7 exhibiting tilted hexatic phases have been studied using optical textures. The evolution of textures with temperature in 5O.6 films is qualitatively similar to that reported earlier in the ferphenyl ester FTE1, suggesting the existence of the surface smectic-L phase, except that the stripe texture in 5O.6 consists of alternating light and dark stripes of unequal widths. No stripe texture is observed in 7O.7.
Type
journal article