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19982026
most citedContinuous Paranematic-to-Nematic Ordering Transitions of Liquid Crystals in Tubular Silica Nanochannels

124 citations · 680 across the 26 of their papers we have counts for

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cond-mat.soft2022

Dynamics of type V menthol-thymol deep eutectic solvents: Do they reveal non-ideality?

Claire D'Hondt, Denis Morineau

We have established a comprehensive study of the molecular dynamics of the menthol-thymol mixture, the prototype of the new class of type V deep eutectic solvents. Dielectric spect…

cond-mat.soft2022

Structure of Water at Hydrophilic and Hydrophobic Interfaces: Raman Spectroscopy of Water Confined in Periodic Mesoporous (Organo)Silicas

Benjamin Malfait, Alain Moréac, Aïcha Jani +4

The temperature dependence of the structure of water confined in hydrophilic mesostructured porous silica (MCM-41) and hydrophobic benzene-bridged periodic mesoporous organosilicas…

cond-mat.soft2022

Confining deep eutectic solvents in nanopores: insight into thermodynamics and chemical activity

Benjamin Malfait, Aicha Jani, Denis Morineau

We have established the detailed phase diagram of the prototypical deep eutectic solvent ethaline (ethylene glycol / choline chloride 2:1) as a function of the hydration level, in…

cond-mat.soft2021★ 31 cited

Influence of Pore Surface Chemistry on the Rotational Dynamics of Nanoconfined Water

Benjamin Malfait, Aicha Jani, Jakob Benedikt Mietner +4

We have investigated the dynamics of water confined in mesostructured porous silicas (SBA-15, MCM-41) and four periodic mesoporous organosilicas (PMOs) by dielectric relaxation spe…

cond-mat.soft2021★ 13 cited

A decatungstate-based Ionic liquid exhibiting very low dielectric constant suitable for acting as solvent and catalyst for oxidation of organic substrates

Yohan Martinetto, Bruce Pégot, Catherine Roch +7

In this contribution, a new POM-based ionic liquid, namely (P6,6,6,14)4[W10O32], was fully characterized. Its viscosity and its very low dielectric constant make this hybrid ionic…

cond-mat.soft2021★ 25 cited

On the Coupling between Ionic Conduction and Dipolar Relaxation in Deep Eutectic Solvents: Influence of Hydration and Glassy Dynamics

Aicha Jani, Benjamin Malfait, Denis Morineau

We have studied the ionic conductivity and the dipolar reorientational dynamics of aqueous solutions of a prototypical deep eutectic solvent (DES), ethaline, by using dielectric sp…

cond-mat.soft2015★ 10 cited

High-resolution dielectric study reveals pore size-dependent orientational order of a discotic liquid crystal confined in tubular nanopores

Sylwia Calus, Andriy V. Kityk, Lech Borowik +6

We report a high-resolution dielectric study on a pyrene-based discotic liquid crystal (DLC) in the bulk state and confined in parallel tubular nanopores of monolithic silica and a…

cond-mat.soft2015★ 35 cited

Thermotropic Orientational Order of Discotic Liquid Crystals in Nanochannels: An Optical Polarimetry Study and a Landau-de Gennes Analysis

Andriy V. Kityk, Mark Busch, Daniel Rau +10

Optical polarimetry measurements of the orientational order of a discotic liquid crystal based on a pyrene derivative and confined in parallel-aligned nanochannels of monolithic me…

cond-mat.soft2009★ 25 cited

Molecular dynamics of glycerol and glycerol-trehalose bioprotectant solutions nanoconfined in porous silicon

Rémi Busselez, Ronan Lefort, Mohammed Guendouz +3

Glycerol and trehalose-glycerol binary solutions are glass-forming liquids with remarkable bioprotectant properties. Incoherent quasielastic neutron scattering (QENS) is used to re…

cond-mat.soft2008★ 124 cited

Continuous Paranematic-to-Nematic Ordering Transitions of Liquid Crystals in Tubular Silica Nanochannels

Andriy V. Kityk, Matthias Wolff, Klaus Knorr +3

The optical birefringence of rod-like nematogens (7CB, 8CB), imbibed in parallel silica channels with 10 nm diameter and 300 micrometer length, is measured and compared to the ther…

cond-mat.soft2008★ 43 cited

Rich polymorphism of a rod-like liquid crystal (8CB) confined in two types of unidirectional nanopores

Régis Guégan, Denis Morineau, Ronan Lefort +5

We present a neutron and X-rays scattering study of the phase transitions of 4-n-octyl-4'-cyanobiphenyl (8CB) confined in unidirectional nanopores of porous alumina and porous sili…

cond-mat.soft2007★ 4 cited

Sliding and translational diffusion of molecular phases confined into nanotubes

Rémi Busselez, Claude Ecolivet, Régis Guégan +5

The remaining dynamical degrees of freedom of molecular fluids confined into capillaries of nano to sub-nanometer diameter are of fundamental relevance for future developments in t…

cond-mat.soft2006★ 5 cited

Structure and relaxation processes of an anisotropic molecular fluid confined into 1D nanochannels

Ronan Lefort, Denis Morineau, Régis Guégan +3

Structural order parameters of a smectic liquid crystal confined into the columnar form of porous silicon are studied using neutron scattering and optical spectroscopic techniques.…

cond-mat.soft2006★ 2 cited

Dynamics of 8CB confined into porous silicon probed by incoherent neutron backscattering experiments

Régis Guégan, Ronan Lefort, Wilfried Béziel +3

Confinement in the nanochannels of porous silicon strongly affects the phase behavior of the archetype liquid-crystal 4-n-octyl-4-cyanobiphenyl (8CB). A very striking phenom- enon…

cond-mat.soft2005★ 67 cited

First evidence of anisotropic quenched disorder effects on a smectic liquid crystal confined in porous silicon

Régis Guégan, Denis Morineau, Claude Loverdo +2

We present a neutron scattering analysis of the structure of the smectic liquid crystal octylcyanobiphenyl (8CB) confined in one-dimensional nanopores of porous silicon films (PS).…

cond-mat.soft2004★ 74 cited

Structure of liquid and glassy methanol confined in cylindrical pores

Denis Morineau, Regis Guegan, Yongde Xia +1

We present a neutron scattering analysis of the density and the static structure factor of confined methanol at various temperatures. Confinement is performed in the cylindrical po…

cond-mat.soft2002

Methyl group dynamics in a confined glass

A. J. Moreno, J. Colmenero, A. Alegría +4

We present a neutron scattering investigation on methyl group dynamics in glassy toluene confined in mesoporous silicates of different pore sizes. The experimental results have bee…