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24 papers · 2 filters
Droplets capped with an elastic film can be round, elliptical, or nearly square
Rafael D. Schulman, Kari Dalnoki-Veress
We present experiments which show that the partial wetting of droplets capped by taut elastic films is highly tunable. Adjusting the tension allows the contact angle and droplet mo…
Multi-stable free states of an active particle from a coherent memory dynamics
Vincent Bacot, Stéphane Perrard, Matthieu Labousse +2
We investigate the dynamics of a deterministic self-propelled particle endowed with coherent memory. We evidence experimentally and numerically that it exhibits several stable free…
Swelling dynamics of surface-attached hydrogel thin films in vapor flows
J. Delavoipiére, B. Herteufeu, J. Teissiere +4
Hydrogel coatings absorb water vapor - or other solvents - and, as such, are good candidates for antifog applications. In the present study, the transfer of vapor from the atmosphe…
Temperature-driven anchoring transitions at liquid crystal / water interfaces
Guillaume Durey, Yoko Ishii, Teresa Lopez-Leon
Controlling the anchoring of liquid crystal molecules at an interface with a water solution influences the entire organization of the underlying liquid crystal phase, which is cruc…
Dynamics of a self-propelled particle in a harmonic trap
Olivier Dauchot, Vincent Démery
The dynamics of an active walker in a harmonic potential is studied experimentally, numerically and theoretically. At odds with usual models of self-propelled particles, we identif…
Harnessing entropy to enhance toughness in reversibly crosslinked polymer networks
Nicholas B. Tito, Costantino Creton, Cornelis Storm +1
Reversible crosslinking is a design paradigm for polymeric materials, wherein they are microscopically reinforced with chemical species that form transient crosslinks between the p…