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A temperature-concentration (T-X) phase diagram calculated using the mean field theory for liquid crystals
Date
2013-06-01
Author
Yurtseven, Hasan Hamit
Salihoglu, Selami
KARACALİ, HUSEYİN
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Phase-line equations for smectic-hexatic phase transitions in liquid crystals were derived using the Landau phenomenological theory. In particular, second-order transitions for the smectic-A-smectic-C (SmA-SmC) and hexatic-B-hexatic-F (or HexI) transitions were studied and the tricritical points for these transitions were located. The calculated phase-line equations were fitted (using experimental data for various liquid crystals) to construct a generalized T-X phase diagram. It was shown that the T-X phase diagram calculated from the free energy adequately describes the observed behavior of liquid crystals during smectic-hexatic transitions.
Subject Keywords
Physical and Theoretical Chemistry
,
Inorganic Chemistry
,
Organic Chemistry
,
Computational Theory and Mathematics
,
Catalysis
,
Computer Science Applications
URI
https://hdl.handle.net/11511/38378
Journal
JOURNAL OF MOLECULAR MODELING
DOI
https://doi.org/10.1007/s00894-013-1777-0
Collections
Department of Physics, Article