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Paranematic phase

WebTheoretical phase diagram for goethite in a magnetic field, showing a paranematic phase with parallel pN + and perpendicular pN − alignment, a nematic phase with parallel … WebIn the paranematic phase T > T PN linear and quadratic electro-optic responses indicate quite different frequency dispersions, compare panels (a) and (i) in Fig. 5. The linear response, symmetry forbidden in the bulk, exhibits a slow Debye-like relaxation observed in the frequency dispersions of its real and imaginary parts, see panels (a) and ...

Phys. Rev. E 78, 031706 (2008) - Influence of the magnetic field on …

WebOct 1, 2010 · The analysis of the spectral features as well as the study of the orientational properties in the paranematic and nematic phases confirmed the supercriticality of the … WebAt temperatures far below the nematic–paranematic phase transition, straining along the initial alignment affects mainly the diffraction pattern, while the diffraction efficiency remains almost... go pet wheel https://politeiaglobal.com

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Web开馆时间:周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 WebThe nematic-isotropic (paranematic) phase transition temperature of the gel and the solvent is controlled by the external field. As a result of an anisotropic coupling between the gel and solvent, the shape of the gel is discontinuously (or continuously) elongated with increasing the strength of the external field. Webparanematic phase that shows no banded flow and appears uniformly birefringent due to shear alignment. After cessation of shear flow, this paranematic phase almost … chickens in oregon

Paranematic–nematic phase transition in liquid crystalline …

Category:Alignment of Worm-like Micelles at Intermediate and High Shear Rates - NIST

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Paranematic phase

Magnetic Field and Dilution Effects on the Phase Diagrams of

WebApr 25, 2012 · The recording kinetics shows an irregular oscillatory behavior, which is most expressed at small grating spacings and at temperatures close to the nematic-isotropic phase transition. The... WebMay 31, 2024 · nematic-paranematic phase transition Marko Gregorc et al-Two-dimensional planar photonic crystals: Calculation of coherent transmittance and reflectance at normal illumination under the quasicrystalline approximation Alexander A. Miskevich and Valery A. Loiko-This content was downloaded from IP address 157.55.39.163 on 31/05/2024 at 13:57

Paranematic phase

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WebDepending on the orientational order parameters S CNT and S LC, two nematic phases could be defined: (i) the N 1 phase with S CNT > 0 and S LC > 0 (parallel alignment of CNT and … Webphase, in mechanics of vibrations, the fraction of a period (i.e., the time required to complete a full cycle) that a point completes after last passing through the reference, or zero, …

WebIn the regime l N P < 2 r c l, the coupling between paranematic clusters becomes relatively strong (with respect to thermal fluctuations) even in the isotropic (i.e., paranematic … WebDec 19, 2024 · The occurrence of phase transitions has also been determined by varying η for constant values of the cavity’s length L. Systems with low aspect ratios, l / σ = 3, 5, 7, and 9, exhibit first-order transitions with chiral, paranematic, and isotropic phases, whereas for larger HSCs, l / σ = 50, 70, and 100, the transitions are second order with …

WebOptical properties of light-sensitive liquid-crystal elastomers in the vicinity of the nematic-paranematic phase transition We investigate light-induced patterning of a monodomain … WebOct 1, 2010 · Paranematic–nematic phase transition in liquid crystalline elastomers: a 2H-NMR study Semantic Scholar. In this study, selectively deuterium-labelled monodomain …

WebJul 22, 2024 · At a special value of temperature and of a parameter gauging the degree of biaxiality, model calculations point out the existence of a highly symmetric Landau multicritical point, with a direct transition from a biaxial nematic to an isotropic phase.

WebOct 27, 2024 · The photothermal heating of EG fillers can induce the nematic–paranematic phase transition in the neighbouring LCE matrix within the thin fibre geometry, enabling a site-specific remote ... chickens insanity sansWebFor T < T NI, LC is in the nematic phase, and the paranematic-nematic phase transition of CNTs is first order. With decreasing temperature, the bi-phase region (the Flory “chimney” [ 45 ]) becomes smaller and cancels at the critical point (for the value γ = 40.33 N / m 2 , the critical temperature is given by T c − T NI = − 7.84 K ). gopex distribution saWebNov 8, 2005 · Temperature-dependent spontaneous imbibition experiments on 8OCB reveal the existence of a paranematic phase due to the molecular alignment induced by the pore walls even at temperatures well beyond the clearing point, eventually resulting in a suppression of the smectic phase in favor of the nematic phase. 52 PDF go pet club storeWebOct 2, 2014 · At high shear rates, any structure is dissolved and a paranematic phase appears, with rods well aligned with the flow, and shear thinning appears. In a network, when node v is connected to node u and node u is connected to node w, they form a path of two edges ( vuw) or a triplet. go pet treadmill smallWebIn the regime l N P < 2 r c l, the coupling between paranematic clusters becomes relatively strong (with respect to thermal fluctuations) even in the isotropic (i.e., paranematic phase). If this interaction is strong enough, it can partially realign neighbor clusters along a similar direction, and consequently, the disorder strength is decreased. gopet treadmill small mediumWebOct 17, 2024 · Paraneoplastic syndromes can affect nearly any region of the body and cause many different symptoms. Some of the more common syndromes involve the … chickens in russianWebAug 1, 2024 · Thus, in the paranematic phase, a thresholdless transition from the orientational anisotropy EA to EP occurs. For coupling energies ω = 200, 390.28 and 450 (Fig. 6 curves 3, 4, and 5, respectively), as the field grows, a jumpwise transition from the highly ordered nematic N phase to the low-ordered paranematic Ph phase occurs. It is ... chickens insanity sans wiki