544 citations
- F. Catanese47 · h 40
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- Centre National de la Recherche ScientifiqueFR35 papers
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6 papers · 2 filters
Surface Instabilities and Magnetic Soft Matter
Christian Gollwitzer, Marina Krekhova, Guenter Lattermann +2
We report on the formation of surface instabilities in a layer of thermoreversible ferrogel when exposed to a vertical magnetic field. Both static and time dependent magnetic field…
Viscoelasticity and shear flow of concentrated, non-crystallizing colloidal suspensions: Comparison with Mode-Coupling Theory
Miriam Siebenbuerger, Matthias Fuchs, Henning Winter +1
We present a comprehensive rheological study of a suspension of thermosensitive particles dispersed in water. The volume fraction of these particles can be adjusted by the temperat…
Theory of Thermodynamic Stresses in Colloidal Dispersions at the Glass Transition
D. Hajnal, O. Henrich, J. J. Crassous +4
We discuss the nonlinear rheology of dense colloidal dispersions at the glass transition. A first principles approach starting with interacting Brownian particles in given arbitrar…
Shear stresses of colloidal dispersions at the glass transition in equilibrium and in flow
J. J. Crassous, M. Siebenbürger, M. Ballauff +4
We consider a model dense colloidal dispersion at the glass transition, and investigate the connection between equilibrium stress fluctuations, seen in linear shear moduli, and the…
Flexoelectricity and competition of time scales in electroconvection
Tibor Toth-Katona, Nandor Eber, Agnes Buka +1
Novel behavior in electroconvection (EC) has been detected in nematic liquid crystals (NLCs) under the condition of comparable timescales of the director relaxation and the period…
Measuring the deformation of a ferrogel sphere in a homogeneous magnetic field
Christian Gollwitzer, Alexander Turanov, Marina Krekhova +3
A sphere of a ferrogel is exposed to a homogeneous magnetic field. In accordance to theoretical predictions, it gets elongated along the field lines. The time-dependence of the ela…