Laboratoire de Physique des Solides - UMR 8502

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Anniina Salonen



Maître de Conférence (HDR)/Assistant Professor

Laboratoire de Physique des Solides

Université Paris Sud

Bat 510 - RDC Ouest - Bureau 070

91 405 Orsay Cedex

Mail: salonen(at)

List of publications:






  • H. Caps, G. Delon, N. Vandewalle, R. M. Guillermic, O. Pitois, A. L. Biance, L. Saulnier, P. Yazhgur, E. Rio, A. Salonen, and D. Langevin, “Does water foam in microgravity?”, Europhysics News, vol. 45, no. 3, p. 22–25, 2014.
  • H. Caps, N. Vandewalle, A. Saint-jalmes, L. Saulnier, P. Yazhgur, E. Rio, A. Salonen, and D. Langevin, “How foams unstable on earth behave in mocrogravity?”, Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 457, p. 392–396, 2014.

  • A. - L. Fameau and A. Salonen, “Effect of particles and aggregated structures on the foam stability and aging”, Comptes Rendus Physique, vol. 15, no. 8-9, p. 748-760, 2014.

  • A. Maestro, E. Rio, W. Drenckhan, D. Langevin, and A. Salonen, “Foams stabilised by mixtures of nanoparticles and oppositely charged surfactants: relationship between bubble shrinkage and foam coarsening.”, Soft matter, vol. 10, p. 6975–6983, 2014.
    Abstract: We have studied foams stabilised by surfactant-decorated nanoparticles adsorbed at the bubble surfaces. We show that the controlled compression of a single bubble allows one to understand the coarsening behavior of these foams. When bubbles are compressed, the particles become tightly packed in the surface layer. They lose their mobility, and the interface becomes solid-like when the jammed state is reached. Further compression leads to interfacial buckling characterised by crumpled surfaces. We find that the surface concentration of particles at which the jamming and the buckling transitions occur are independent of the surfactant concentration. This is a surprising feature. It suggests that the surfactants are mandatory to help the particles adsorb at the interface and that they change the equilibrium surface concentration of the decorated particles. But they do not affect the surface properties once the particles are adsorbed. We measured the compression elastic modulus of the surface in the jammed state and found it to be compatible with the Gibbs condition for which the spontaneous dissolution of bubbles is arrested. Due to this effect, the coarsening process of a foam composed of many close-packed bubbles occurs in two steps. In the first step, coarsening is slow and coalescence of the bigger bubbles is observed. In the second step, a number of very small bubbles remains, which exhibit crumpled surfaces and are stable over long times. This suggests that foam coarsening is arrested once the smallest bubbles become fully covered after the initial shrinking step.

  • E. Rio, W. Drenckhan, A. Salonen, and D. Langevin, “Unusually stable liquid foams”, Advances in Colloid and Interface Science, vol. 205, p. 74-86, 2014.

  • A. Salonen, W. Drenckhan, and E. Rio, “Interfacial dynamics in foams and emulsions”, Soft Matter, vol. 10, p. 6870–6872, 2014.








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