Search Results - "Zola, R. S."

Reliability of Poisson–Nernst–Planck Anomalous Models for Impedance Spectroscopy by Lenzi, E. K, Evangelista, L. R, Taghizadeh, L, Pasterk, D, Zola, R. S, Sandev, T, Heitzinger, C, Petreska, I

“…We investigate possible connections between two different implementations of the Poisson–Nernst–Planck (PNP) anomalous models used to analyze the electrical…”
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Ion Motion in Electrolytic Cells: Anomalous Diffusion Evidences by Lenzi, E. K, Zola, R. S, Ribeiro, H. V, Vieira, Denner S, Ciuchi, F, Mazzulla, A, Scaramuzza, N, Evangelista, L. R

“…In this study, we argue that ion motion in electrolytic cells containing Milli-Q water, weak electrolytes, or liquid crystals may exhibit unusual diffusive…”
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Surface induced phase separation and pattern formation at the isotropic interface in chiral nematic liquid crystals by Zola, R S, Evangelista, L R, Yang, Y-C, Yang, D-K

“…We study the pattern formation of a chiral nematic liquid crystal under a wetting transition. In the isotropic-liquid crystal transition, a surface-enhanced…”
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A continuum description for cholesteric and nematic twist-bend phases based on symmetry considerations by Zola, R. S., Barbero, G., Lelidis, I., Rosseto, M. P., Evangelista, L. R.

“…The recently discovered twist-bend nematic phase, N tb , is a non-uniform equilibrium nematic phase that presents a spontaneous bend with a precession of the…”
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Elastic continuum theory: towards understanding of the twist-bend nematic phases by Barbero, G, Evangelista, L R, Rosseto, M P, Zola, R S, Lelidis, I

“…The twist-bend nematic phase, N_{TB}, may be viewed as a heliconical molecular arrangement in which the director n precesses uniformly about an extra director…”
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Frequency-Dependent Dielectric Permittivity in Poisson–Nernst–Planck Model by Rosseto, M. P., Evangelista, L. R., Lenzi, E. K., Zola, R. S., Ribeiro de Almeida, R. R.

“…The approaches developed for studying the polarization of molecules and the dynamics of ions in dielectric materials are usually considered separately. The two…”
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Polymer Stabilized VA Mode Liquid Crystal Display by Hicks, S. E., Hurley, S. P., Zola, R. S., Yang, D.

“…We used a polymer network to improve the response time of a vertical aligned (VA) mode liquid crystal display (LCD). The polymer network was anisotropic and…”
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Effective Screening Length of Isotropic Liquid Samples Submitted to an Applied Voltage by Zola, R. S, Evangelista, L. R, Barbero, G

“…A cell of isotropic liquid in the shape of a slab of thickness d and containing ionic impurities is considered. It is shown that the screening effect produced…”
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Dependence of the Anchoring Energy on the Applied Voltage in a Nematic Cell by Zola, R. S, Evangelista, L. R, Barbero, G

“…A nematic liquid crystal cell in the shape of a slab of thickness d and containing ionic impurities is considered in the presence of a dc voltage. A complete…”
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Anomalous diffusion and transport in heterogeneous systems separated by a membrane by Lenzi, E. K., Ribeiro, H. V., Tateishi, A. A., Zola, R. S., Evangelista, L. R.

“…Diffusion of particles in a heterogeneous system separated by a semipermeable membrane is investigated. The particle dynamics is governed by fractional…”
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Diffusion in a heterogeneous system, fractional dynamics and anomalous diffusion by Lenzi, E. K., Lenzi, M. K., Zola, R. S.

“… We investigate the diffusion phenomenon in a heterogeneous system composed by two different media in contact. We consider the dynamics of the particles for…”
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Surface driven reflection tuning in chiral nematic liquid crystals by de Souza, R.F., Lenzi, E.K., Evangelista, L.R., Martins, A.F., Zola, R.S.

“…•A surface driven model is used to calculate the reflection spectra of cholesterics.•Different reflection regimes are obtained with the Berreman 4 × 4…”
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Extended adsorbing surface reach and memory effects on the diffusive behavior of particles in confined systems by Recanello, M.V., Lenzi, E.K., Martins, A.F., Li, Q., Zola, R.S.

“…•A generalized model for adsorption-desorption in confined systems.•Bulk dynamics affected by extended surface reach, such as found in porous media.•Model…”
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Anomalous diffusion and electrical impedance response: Fractional operators with singular and non-singular kernels by Lenzi, E.K., Guilherme, L.M.S., da Silva, B.V.H.V., Koltun, A.P.S., Evangelista, L.R., Zola, R.S.

“…•We investigate the electrical impedance spectroscopy.•We analyze the PNP model and experimental data of KCl.•The relation between PNP model and circuits is…”
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Role of the surface anchoring energy on the spontaneous modulated pattern formation of hybrid aligned cholesteric liquid crystals by Biagio, R. L., de Souza, R. Teixeira, Evangelista, L. R., Zola, R. S.

“…This work focuses on the striped pattern formation of cholesteric liquid crystals confined in a hybrid aligned cell. The study is performed by means of Monte…”
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Reaction on a solid surface supplied by an anomalous mass transfer source by Lenzi, E.K., Lenzi, M.K., Zola, R.S., Ribeiro, H.V., Zola, F.C., Evangelista, L.R., Gonçalves, G.

“…The reaction process occurring on a solid surface where active sites are present is investigated. The phenomenon is described by a linear kinetic equation…”
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Asymptotic behaviors of the Poisson-Nernst-Planck model, generalizations and best adjust of experimental data by Lenzi, E.K., Zola, R.S., Rossato, R., Ribeiro, H.V., Vieira, D.S., Evangelista, L.R.

“…We analyze the asymptotic behavior of the impedance (or immittance) spectroscopy response of an electrolytic cell in a finite-length situation obtained from…”
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Behaviour of twist-bend nematic structure under a uniform magnetic field by Zola, R. S., Ribeiro de Almeida, R. R., Barbero, G., Lelidis, I., Dalcol, D. S., Rosseto, M. P., Evangelista, L. R.

“…From the elastic point of view, the twist-bend nematic phase, (N TB ), has a ground state characterised by a spontaneous bend with a precession of the director…”
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Electrical transport properties and fractional dynamics of twist-bend nematic liquid crystal phase by Ribeiro de Almeida, R.R., Evangelista, L.R., Lenzi, E.K., Zola, R.S., Jákli, A.

“…•Dielectric characterization of twist - bend nematic liquid crystal.•Diffusion through modulated material indicates the existence of pseudolayerd…”
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Anomalous diffusion and sorption-desorption process in complex fluid systems by Tavares, F.W., Ndiaye, P.M., Lenzi, E.K., Evangelista, L.R., Ribeiro, H.V., Zola, R.S.

“…•We investigate diffusive systems governed by a generalized diffusion equation.•The sorption-desorption modelling incorporates non-Debye relaxations.•The…”
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