Reference : Quantitatively mimicking wet colloidal suspensions with dry granular media
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/184301
Quantitatively mimicking wet colloidal suspensions with dry granular media
English
Messina, René []
Aljawhari, Sarah []
Bécu, Lydiane []
Schockmel, Julien mailto [Université de Liège > Département de physique > Physique statistique >]
Lumay, Geoffroy mailto [Université de Liège > Département de physique > Physique expér. de la matière molle et des syst. complexes >]
Vandewalle, Nicolas mailto [Université de Liège > Département de physique > Physique statistique >]
1-Jul-2015
Scientific Reports
Nature Publishing Group
Yes (verified by ORBi)
International
2045-2322
London
United Kingdom
[en] Granular ; colloid ; Phase transition
[en] Athermal two-dimensional granular systems are exposed to external mechanical noise leading to
Brownian-like motion. Using tunable repulsive interparticle interaction, it is shown that the same
microstructure as that observed in colloidal suspensions can be quantitatively recovered at a
macroscopic scale. To that end, experiments on granular and colloidal systems made up of
magnetized particles as well as computer simulations are performed and compared. Excellent
agreement throughout the range of the magnetic coupling parameter Γ is found for the pair
distribution as well as the bond-orientational correlation functions. This finding opens new ways to
efficiently and very conveniently explore phase transitions, crystallization, nucleation, etc in confined
geometries.
Researchers
http://hdl.handle.net/2268/184301

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