Phase transitions in liquid crystals

S Singh - Physics Reports, 2000 - Elsevier
Mesogenic materials exhibit a multitude of transitions involving new phases. Studies of
these phases are of importance in a wide range of scientific fields and as such have …

Unified Landau theory for the nematic, smectic , and smectic phases of liquid crystals

KC Chu, WL McMillan - Physical Review A, 1977 - APS
A unified Landau theory is introduced for the nematic, smectic A, and smectic C phases
using the director n→ for the nematic order parameter, the complex order parameter ψ for …

The re-entrant nematic, enhanced smectic a phases and molecular composition

PE Cladis - Molecular Crystals and Liquid Crystals, 1981 - Taylor & Francis
Phase diagram and X-ray studies of mixtures of 8OCB (cyanooctyloxybiphenyl) and 4O8
(butyloxybenzilidene octylaniline) and 8OCB and 6OCB (cyanohexyloxybiphenyl) …

Simple Molecular Model for the Smectic Phase of Liquid Crystals

WL McMillan - Physical Review A, 1971 - APS
Abstract The Maier-Saupe model of the nematic phase with an orientational order parameter
is extended to the smectic A phase by introducing a new order parameter, the amplitude of a …

[图书][B] The physics of liquid crystals

PG De Gennes, J Prost - 1993 - books.google.com
The first edition of this book has been an acknowledged classic since its publication in 1974.
Its success and the great advances that have taken place in the ensuing years have made …

Pretransition effects in nematic liquid crystals: model calculations

R Alben - Molecular Crystals and Liquid Crystals, 1971 - Taylor & Francis
Calculations of the properties of some lattice models and continuum models of a hard rod
liquid with and without attractive energies are presented. The theory is of the “molecular …

Molecular theory of nematic liquid crystals

WM Gelbart - The Journal of Physical Chemistry, 1982 - ACS Publications
From a phenomenological point of view, the basic physics underlying the phase transition
from an isotropic (“normal”) liquid to a nematic liquid crystal is well understood. At low …

Critical behavior at nematic–smectic-A phase transitions

CW Garland, G Nounesis - Physical Review E, 1994 - APS
The effective experimental critical exponents α, γ, ν∥, and ν⊥ obtained from high-resolution
heat capacity and x-ray studies of nematic–smectic-A transitions in liquid crystals are …

Smectic-nematic transition in a lyotropic liquid crystal

MC Holmes, J Charvolin - The Journal of Physical Chemistry, 1984 - ACS Publications
The system is a ternary mixture, decylammonium chloride (DAC1)/water/ammonium
chloride. At low temperature it exhibits a lamellar phase, with translational orderalong one …

[图书][B] Structure of liquid crystal phases

PS Pershan - 1988 - books.google.com
Current understanding of different phases as well as the phase transitions between them
has only been achieved following recent theoretical advances on the effects of …