NEMATIC PHASE
Evolution of the low temperature Fermi surface of superconducting FeSe1−xSx across a nematic phase transition
... the nematic phase boundary near x ~ ...the nematic phase, indicative of a strongly correlated state, but they become suppressed outside ...
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Effect of the linking unit on the twist-bend nematic phase in liquid crystal dimers : a comparative study of two homologous series of methylene- and ether-linked dimers
... linearity is also a probable cause for the increase in melting and clearing points of the materials, as the more linear molecules will be able to more effectively pack into a crystal phase and into the ...
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Macroscopic biaxiality and electric field induced rotation of the minor director in the nematic phase of a bent core liquid crystal
... biaxial nematic phase is not commonly observed ...the nematic phase has local biaxial and polar orderings due to the cooperative alignment of the short axes and those of the electric ...
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Ferromagnetism, antiferromagnetism, and the curious nematic phase of S=1 quantum spin systems
... The phase diagram is worked out in Section II using product ...quantum nematic phase, on the other hand, turns out to be surprising; this is explained in Subsection III ...
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Chromonic nematic phase and scalar order parameter of indanthrone derivative with ionic additives
... The phase diagram of aqueous solutions of Blue 250 without additives is shown in ...(I) phase for the weight concentrations of Blue 250 less than ...stable nematic phase on heating up to 35 o ...
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Relationship between the molecular interaction and the structure of the bent core liquid crystals in the nematic phase
... For C4, the result from the IR experiments shows the averaged tilt angle of the molecules from normal to the substrates is zero in the nematic phase, whereas the molecules in the cluster[r] ...
187
Transient and stationary flow behaviour of side chain liquid-crystalline polymers: Evidence of a shear-induced isotropic-to-nematic phase transition
... (IN) phase transition in liquid-crystalline systems [1, 2] and in colloidal suspensions ...equilibrium nematic phase, flow induces parallel alignment, with backbone and mesogen distribution functions ...
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Biaxial order and a rotation of the minor director in the nematic phase of an organo siloxane tetrapode by the electric field
... The dependence of the IR absorbance on the polariza- tion angle for several IR bands is investigated. The IR ab- sorbance profiles plotted as a function of polarization angle show distinct anisotropy in the range of the ...
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Optical and thermodynamical response of order parameter of reentrant nematic phase in a ternary mixture of liquid crystalline materials
... the phase transition temperatures are measured by using Leitz-polarizing ...partial phase diagram is as shown in Figure ...the phase transition temperatures of the mixture. The phase behavior ...
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Chirality of an achiral bent core nematic mesogen observed in planar and homeotropic cells under certain boundary conditions
... domains are observed while the sample is cooled from the isotropic to the nematic phase. In a part of the cell with a smaller cell gap, we may get homochiral domains that can be stabilized over a shorter ...
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Cyclic polymer liquid crystal structures
... The nematic mesophase is characterised by a high degree of long range orientational order of the molecules combined with the absence of long range translational order, as shown schematically in figure ...a ...
184
Short-range smectic fluctuations and the flexoelectric model of modulated nematic liquid crystals
... To conclude, we have shown that the flexoelectric model cannot describe the large compression mudulus of achiral and chiral TB nematics, even if biaxial order parameter is included and a one-constant approximation is ...
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Second-harmonic generation and the influence of flexoelectricity in the nematic phases of bent-core oxadiazoles
... the nematic phase of bent-core oxadiazole-based liquid crystals (LCs) was studied and compared to that for the rod-like compound 4-cyano-4 ʹ -n-octylbi- phenyl ...by nematic director ...their ...
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Flexoelectric polarization studies in bent core nematic liquid crystals
... of nematic and smectic phases. The nematic phase of a BC system shows up unusual characteristics and a myriad of interesting properties in addition to those exhibited by the calamitic ...their ...
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Benzothiazole Based Schiffs Base Nematic Liquid Crystals and their Copper Complexes
... isotropic phase all the compounds (4a and 4b) exhibited Schlieren textures in the nematic ...the nematic director being on average parallel to the substrate ...
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Mathematical descriptions of nematic polymers in the monolayer limit
... of nematic liquid crystals are strongly affected by the dy- namic behavior of the molecular alignment, it is very important to know how to control the ...a nematic phase, distinguished by a partially ...
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Effect of cybotactic clusters on the elastic and flexoelectric properties of bent core liquid crystals belonging to the same homologous series
... the nematic phase of the three ...the phase transition temperatures are given in Table ...isotropic phase to lower temperatures, the materials exhibit I-N transition; C4 and C7 show a ...
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Structure, Photochromism and Liquid Crystal Properties of 1 Alkyl 2 (Arylazo)Imidazoles (Raai CnH2n+1, n (Even) = 10 22)
... N phase will occur in reality if the direction of dipole is axial or along the molecular ...Smectic phase with switching ...in Nematic phase which is depicted in Figure ...
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Rheology and Dynamics of Side Group Liquid Crystalline Polymers in Nematic Solvents
... For the largest spacer used, PBCB8, there were a total of 12 atoms between the polymer backbone and the biphenyl group, which makes it somewhat surprising that a smectic phase was not seen. Other researchers using ...
205
Crystal G phase of liquid crystalline material through inter molecular hydrogen bonding
... the nematic and present a direct crystal G phase from its isotropic state with the ethyl and hexyl ...C phase of the complex IV when bonded with family of benzoates yield both the nematic and ...
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