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000015516 084__ $$2WoS$$aPhysics, Condensed Matter
000015516 1001_ $$0P:(DE-Juel1)130987$$aStiakakis, E.$$b0$$uFZJ
000015516 245__ $$aProbing glassy states in binary mixtures of soft interpenetrable colloids
000015516 260__ $$aBristol$$bIOP Publ.$$c2011
000015516 300__ $$a234116
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000015516 440_0 $$03703$$aJournal of Physics: Condensed Matter$$v23$$x0953-8984$$y23
000015516 500__ $$aWe thank A Larsen for assistance with the DLS measurements and C N Likos, G Fytas and A N Semenov for discussions. This work was supported in part by the EU (NoE Softcomp NMP3-CT-2004-502235 and project NANODIRECT CP-FP 213948-2) and by the Natural Sciences and Engineering Research Council of Canada (NSERC).
000015516 520__ $$aWe present experimental evidence confirming the recently established rich dynamic state diagram of asymmetric binary mixtures of soft colloidal spheres. These mixtures consist of glassy suspensions of large star polymers to which different small stars are added at varying concentrations. Using rheology and dynamic light scattering measurements along with a simple phenomenological analysis, we show the existence of re-entrance and multiple glassy states, which exhibit distinct features. Cooperative diffusion, as a probe for star arm interpenetration, is proven to be sensitive to the formation of the liquid pockets which signal the melting of the large-star-glass upon addition of small stars. These results provide ample opportunities for tailoring the properties of soft colloidal glasses.
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000015516 7001_ $$0P:(DE-HGF)0$$aErwin, B.M.$$b1
000015516 7001_ $$0P:(DE-HGF)0$$aVlassopoulos, D.$$b2
000015516 7001_ $$0P:(DE-HGF)0$$aCloitre, M.$$b3
000015516 7001_ $$0P:(DE-HGF)0$$aMunam, A.$$b4
000015516 7001_ $$0P:(DE-HGF)0$$aGauthier, M.$$b5
000015516 7001_ $$0P:(DE-HGF)0$$aIatrou, H.$$b6
000015516 7001_ $$0P:(DE-HGF)0$$aHadjichristidis, N.$$b7
000015516 773__ $$0PERI:(DE-600)1472968-4$$a10.1088/0953-8984/23/23/234116$$gVol. 23, p. 234116$$p234116$$q23<234116$$tJournal of physics / Condensed matter$$v23$$x0953-8984$$y2011
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