Journal ArticleDOI
Phase transitions in liquid crystals
TLDR
A comprehensive overview of phase transition studies can be found in this article, where the authors identify the essential key concepts and points of difficulty associated with the study of phase transitions and discuss the most widely used experimental techniques for measuring these transition properties.About:
This article is published in Physics Reports.The article was published on 2000-02-01. It has received 308 citations till now. The article focuses on the topics: Phase transition & Liquid crystal.read more
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Towards in silico liquid crystals. Realistic transition temperatures and physical properties for n-cyanobiphenyls via molecular dynamics simulations.
TL;DR: By using the united-atom force field developed herein, it is shown that the experimental isotropic-nematic transition temperatures are reproduced within 4 K, allowing a molecular-level interpretation of the odd-even effect along the series.
Journal ArticleDOI
Structure And Thermodynamics of Weakly Segregated Rod-Coil Block Copolymers
TL;DR: In this paper, the selfassembly of a series of monodisperse rod−coil block copolymers is studied in the weak segregation limit, and the order to microphase disorder transition (ODT) and nematic isotropic (NI) transition are experimentally investigated.
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Mechanochromic luminescence of halide-substituted difluoroboron β-diketonate dyes
TL;DR: In this paper, the effects of halide substituents on mechanochromic luminescence quenching were investigated for a series of difluoroboron β-diketonate (BF2bdk) compounds.
Journal ArticleDOI
Universalization of the Phase Diagram for a Model Rod-Coil Diblock Copolymer
TL;DR: In this paper, the Flory−Huggins interaction is measured for a model rod-coil block copolymer system, poly(alkoxyphenylenevinylene-b-isoprene), by fitting the interfacial segregation of block copolerant to a homopolymer interface and by using the random phase approximation (RPA) for block co-olymers.
Journal ArticleDOI
Insight into entropy
TL;DR: In this article, the qualitative character of entropy has been investigated and several examples from statistical mechanics (including liquid crystal reentrant phases, two different lattice gas models, and the game of poker) demonstrate facets of this difficult question and point toward an answer.
References
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Journal ArticleDOI
Reentrant Antiferroelectric Phase in 4-(1-Methylheptyloxycarbonyl) phenyl 4′-Octylbiphenyl-4-Carboxylate
TL;DR: In this article, the presence of three phases between SmA and the antiferroelectric SmCA* phase in optically active (R)-4-(1-methylheptyloxycarbonyl)phenyl 4'-octylbiphenyl-4-carboxylate was found.
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Computer Simulation Studies of Anisotropic Systems IV. The Effect of Translational Freedom
TL;DR: In this paper, the authors have simulated the properties of 256 cylindrically symmetric particles interacting via a simple anisotropic potential of the form u$\_2$ (r$\_{12}$) P$\ _2$(cos $\beta\_12}) and with a scalar Lennard-Jones 12:6 potential, using the Monte Carlo technique.
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Molecular theory of liquid crystals: Application to the nematic phase
TL;DR: In this article, a density-functional description of liquid crystals is developed and exact expansions for thermodynamic functions in terms of a direct-correlation function are given, leading to different versions of the molecular-field theories of liquid crystal.
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Dynamical test of phase transition order.
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Biaxial nematic phase, multiphase critical point, and reentry transition in binary liquid crystal mixtures
Zhong‐Ying Chen,J. M. Deutch +1 more
TL;DR: In this paper, a model considering both short-range and long-range interactions for liquid crystals mixtures of rod-like and plate-like molecules is presented, and the model is treated in the framework of a mean field, van der Waals-type theory.