Title: Investigation of the smectic-A-smectic-C* transition in liquid crystals by adiabatic scanning calorimetry
Authors: Denolf, Katleen
Van Roie, Bert
Pitsi, Guido
Thoen, Jan #
Issue Date: 2006
Publisher: Taylor & francis ltd
Series Title: Molecular crystals and liquid crystals vol:449 pages:47-55
Abstract: We performed Adiabatic Scanning Calorimetry (ASC) measurements on two ferroelectric liquid crystals: S-(-)-4-(20-methylbutyloxy)phenyl4-n-octyloxybenzoate and S-(-)-2-methylbutyl 4-n-nonanoyloxybiphenyl-4'-carboxylate. Our experiments showed that no latent heat was present for the smectic-A-smectic-C* (AC*) transition to within the experimental resolution. Therefore the AC* transition in both samples can be classified as a continuous one. By fitting the specific heat data we showed that this phase transition can be described by an extended mean-field model.
ISSN: 1542-1406
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
# (joint) last author

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