250 citations · 1.3k across the 60 of their papers we have counts for
17 papers · 1 filter
Adsorption-Induced Slip Inhibition for Polymer Melts on Ideal Substrates
Mark Ilton, Thomas Salez, Paul D. Fowler +7
Hydrodynamic slip of a liquid at a solid surface represents a fundamental phenomenon in fluid dynamics that governs liquid transport at small scales. For polymeric liquids, de Genn…
Dynamics of anchored oscillating nanomenisci
Caroline Mortagne, Kevin Lippera, Philippe Tordjeman +2
We present a self-contained study of the dynamics of oscillating nanomenisci anchored on nanometric topographical defects around a cylindrical nanofiber -- radius below 100 nm. Usi…
Elastic interactions between topological defects in chiral nematic shells
Alexandre Darmon, Olivier Dauchot, Teresa Lopez-Leon +1
We present a novel, self-consistent and robust theoretical model to investigate elastic interactions between topological defects in liquid crystal shells. Accounting for the non-co…
Topological defects in cholesteric liquid crystal shells
Alexandre Darmon, Michael Benzaquen, Simon Čopar +2
We investigate experimentally and numerically the defect configurations emerging when a cholesteric liquid crystal is confined to a spherical shell. We uncover a rich scenario of d…
Capillary levelling of free-standing liquid nanofilms
Mark Ilton, Miles M. P. Couchman, Cedric Gerbelot +6
We report on the capillary-driven levelling of a topographical perturbation at the surface of a free-standing liquid nanofilm. The width of a stepped surface profile is found to ev…
Waltzing route towards double-helix formation in cholesteric shells
Alexandre Darmon, Michael Benzaquen, Olivier Dauchot +1
We study cholesteric order in liquid crystal shells with planar degenerate anchoring. We observe that the bipolar and radial configurations intensively reported for bulk droplets h…
Shape and effective spring constant of liquid interfaces probed at the nanometer scale: finite size effects
Julien Dupré de Baubigny, Michael Benzaquen, Laure Fabié +4
We investigate the shape and mechanical properties of liquid interfaces down to nanometer scale by atomic force microscopy (AFM) and scanning electron microscopy (SEM) combined wit…
Universal contact-line dynamics at the nanoscale
Marco Rivetti, Thomas Salez, Michael Benzaquen +2
The relaxation dynamics of the contact angle between a viscous liquid and a smooth substrate is studied at the nanoscale. Through atomic force microscopy measurements of polystyren…
Slip-Mediated Dewetting of Polymer Microdroplets
Joshua D. McGraw, Tak Shing Chan, Simon Maurer +5
Classical hydrodynamic models predict that infinite work is required to move a three-phase contact line, defined here as the line where a liquid/vapor interface intersects a solid…
Symmetry Plays a Key Role in the Erasing of Patterned Surface Features
Michael Benzaquen, Mark Ilton, Michael V. Massa +4
We report on how the relaxation of patterns prepared on a thin film can be controlled by manipu- lating the symmetry of the initial shape. The validity of a lubrication theory for…
Approach to universal self-similar attractor for the levelling of thin liquid films
Michael Benzaquen, Paul Fowler, Laetitia Jubin +3
We compare the capillary levelling of a random surface perturbation on a thin polystyrene film with a theoretical study on the two-dimensional capillary-driven thin film equation.…
Viscoelastic effects and anomalous transient levelling exponents in thin films
Michael Benzaquen, Thomas Salez, Elie Raphaël
We study theoretically the profile evolution of a thin viscoelastic film supported onto a no-slip flat substrate. Due to the nonconstant initial curvature at the free surface, ther…
A direct quantitative measure of surface mobility in a glassy polymer
Yu Chai, Thomas Salez, Joshua D. McGraw +4
Thin polymer films have striking dynamical properties that differ from their bulk counterparts. With the simple geometry of a stepped polymer film on a substrate, we probe mobility…
Capillary levelling of a cylindrical hole in a viscous film
Matilda Backholm, Michael Benzaquen, Thomas Salez +2
The capillary levelling of cylindrical holes in viscous polystyrene films was studied using atomic force microscopy as well as quantitative analytical scaling arguments based on th…
Relaxation and Intermediate Asymptotics of a Rectangular Trench in a Viscous Film
Oliver Bäumchen, Michael Benzaquen, Thomas Salez +5
The surface of a thin liquid film with nonconstant curvature flattens as a result of capillary forces. While this leveling is driven by local curvature gradients, the global bounda…
From adhesion to wetting of a soft particle
Thomas Salez, Michael Benzaquen, Elie Raphaël
Using a thermodynamical approach, we calculate the deformation of a spherical elastic particle placed on a rigid substrate, under zero external load, and including an ingredient of…
Capillary-Gravity Waves on Depth-Dependent Currents: Consequences for the Wave Resistance
Michael Benzaquen, Elie Raphael
We study theoretically the capillary-gravity waves created at the water-air interface by a small two-dimensional perturbation when a depth-dependent current is initially present in…