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Nematic-Isotropic Phase Transition

Study on the Magnetic Field Dependence of the Nematic-Isotropic Phase Transition of Liquid Crystals : A Monte Carlo Study by Employing the Wang- Warner Simple Cubic Lattice Model

Study on the Magnetic Field Dependence of the Nematic-Isotropic Phase Transition of Liquid Crystals : A Monte Carlo Study by Employing the Wang- Warner Simple Cubic Lattice Model

... on nematic-isotropic phase transition of liquid ...plot phase diagrams of energy per site, orientational order parameter, and specific heat as function of temperature in various ...

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Seeding of the nematic isotropic phase transition by an electric field

Seeding of the nematic isotropic phase transition by an electric field

... In this paper we use a relatively simple continuum model to investigate the effect of dielectric inhomogeneity on the phase behaviour of a liquid crystals subject to an applied voltage. In particular, we examine ...

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Drag on particles in a nematic suspension by a moving nematic isotropic interface

Drag on particles in a nematic suspension by a moving nematic isotropic interface

... The spatial period of the striped structure depended on the cooling rate, as well as on the particle size. Increas- ing the particle size, as well as decreasing the cooling rate, resulted in an increase of the spatial ...

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Picosecond polarised fluorescence studies of oxazine 4 motion and order in nematic and isotropic phases of 5-, 6- and 7-cyanobiphenyl

Picosecond polarised fluorescence studies of oxazine 4 motion and order in nematic and isotropic phases of 5-, 6- and 7-cyanobiphenyl

... the nematic host in which the bulk viscosity is highly anisotropic 19 ...the nematic phase of pure OET 20 ...the nematic-isotropic phase ...

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Mathematical descriptions of nematic polymers in the monolayer limit

Mathematical descriptions of nematic polymers in the monolayer limit

... quiescent nematic phase just as an external field perturbation is turned ...to transition between them, by varying experimental conditions such as volume fraction of the nematic polymer ...

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Transient and stationary flow behaviour of side chain liquid-crystalline polymers: Evidence of a shear-induced isotropic-to-nematic phase transition

Transient and stationary flow behaviour of side chain liquid-crystalline polymers: Evidence of a shear-induced isotropic-to-nematic phase transition

... induce phase transitions. Examples include the shear-induced isotropic-to-nematic (IN) phase transition in liquid-crystalline systems [1, 2] and in colloidal suspensions ...an ...

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Phase separation effects and the nematic-isotropic transition in polymer and low molecular weight liquid crystals doped with nanoparticles

Phase separation effects and the nematic-isotropic transition in polymer and low molecular weight liquid crystals doped with nanoparticles

... the phase separation does not necessarily occur at all concentrations of NPs, but typically the coexisting nematic and isotropic phases are stable only above a certain threshold value of the NP ...

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A NOVEL MESOMORPHIC HOMOLOGOUS SERIES OF ESTER DERIVATIVES P (P’ N ALKOXY BENZOYLOXY) N HEPTYL BENZOATES

A NOVEL MESOMORPHIC HOMOLOGOUS SERIES OF ESTER DERIVATIVES P (P’ N ALKOXY BENZOYLOXY) N HEPTYL BENZOATES

... manner. Transition temperatures are plotted versus the number of carbon atoms in n-alkyl chain of left n-alkoxy terminal end ...solid-nematogenic transition curve and nematic-isotropic ...

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Statistical Parameters and Phase Transition Temperatures of Nematic Liquid Crystals Using Image Analysis Technique

Statistical Parameters and Phase Transition Temperatures of Nematic Liquid Crystals Using Image Analysis Technique

... Liquid crystal 5CB was supplied by Frinton Laboratories, Inc., USA. The experiment involved a Meopta polarising optical microscope attached with a hot stage [7] and a Canon high-resolution colour camera. A commercially ...

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Structure, Photochromism and Liquid Crystal  Properties of 1 Alkyl 2 (Arylazo)Imidazoles  (Raai CnH2n+1, n (Even) = 10   22)

Structure, Photochromism and Liquid Crystal Properties of 1 Alkyl 2 (Arylazo)Imidazoles (Raai CnH2n+1, n (Even) = 10 22)

... and nematic phases are under thermal ...from isotropic phase, 5a shows strongly fluctu- ating textures of the N phase and has been transformed to textures in which “Schlieren” regions can be ...

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Chirality of an achiral bent core nematic mesogen observed in planar and homeotropic cells under certain boundary conditions

Chirality of an achiral bent core nematic mesogen observed in planar and homeotropic cells under certain boundary conditions

... the isotropic to the nematic ...the transition to the nematic ...the transition to the nematic ...a nematic phase (N * T ) 25 to ...

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Self-assembling, macroscopically oriented, polymer filaments; a doubly nematic organogel

Self-assembling, macroscopically oriented, polymer filaments; a doubly nematic organogel

... I phase transition, with little change in position of either as a function of ...the transition to the isotropic ...DC phase of the ...the phase transition from N+F to I+F ...

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Self-assembling, macroscopically oriented, polymer filaments; a doubly nematic organogel

Self-assembling, macroscopically oriented, polymer filaments; a doubly nematic organogel

... the nematic phase of the pure bent-core compound ( !!!!! �� ) and therefore must originate from the BC ...the isotropic phase; the experiment was performed immediately following the heating ...

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Self assembling, macroscopically oriented, polymer filaments: a doubly nematic organogel

Self assembling, macroscopically oriented, polymer filaments: a doubly nematic organogel

... the nematic phase of the pure bent-core compound ...the isotropic phase; the experiment was performed immediately following the heating cycle to just above the I+F to I ...I+F phase), ...

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Dual gauge field theory of quantum liquid crystals in three dimensions

Dual gauge field theory of quantum liquid crystals in three dimensions

... KTNHY transition is just one particular example of a Kramers-Wannier (or weak-strong) duality and it was found out in the 1980s how to extend this to three dimensions when dealing with Abelian ...

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Lattice-Boltzmann simulation of free nematic-isotropic interfaces

Lattice-Boltzmann simulation of free nematic-isotropic interfaces

... We examined the applicability of the hybrid method of lattice Boltzmann and finite di ff er- ences for the simulation of nematic-isotropic interfaces. The shape and width of the interface is correctly ...

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Synthesis , Characterization and Theortical Study For
Azo mesogenic compounds

Synthesis , Characterization and Theortical Study For Azo mesogenic compounds

... (Nematic phase).The group efficiency order for the Nematic phase thermal stability can be derived for the compounds as : NO 2 >OCH 3 >CH 3 >Cl, With ...

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The determination and nature of the lyotropic liquid crystalline phase transitions in the ammonium pentadecafluorooctanoate deuterium oxide system : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Chemis

The determination and nature of the lyotropic liquid crystalline phase transitions in the ammonium pentadecafluorooctanoate deuterium oxide system : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Chemistry at Massey University

... way of a first order phase transition mechanism the triple point is not a single point but rather a row of points stretching from the isotropic phase boundary temperature... at the tripl[r] ...

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Lattice Boltzmann method for Q tensor nemato dynamics in liquid crystal display devices

Lattice Boltzmann method for Q tensor nemato dynamics in liquid crystal display devices

... undistorted nematic for a given set of Landau deGennes coefficients, the disconti­ nuity clearly being ...the nematic region is not ...the nematic phase (S ~ ...

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Evolution of the low temperature Fermi surface of superconducting FeSe1−xSx across a nematic phase transition

Evolution of the low temperature Fermi surface of superconducting FeSe1−xSx across a nematic phase transition

... the nematic phase boundary near x ~ ...Lifshitz transition. The quasiparticle masses are larger inside the nematic phase, indicative of a strongly correlated state, but they become ...

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