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Phase behaviour of concentrated suspensions of nearly hard colloidal spheres

Previous Nature 320, 340 342Suspensions of spherical colloidal particles in a liquid show a fascinating variety replica hermes handbags outlet of phase behaviour which can mimic that of simple atomic liquids and solids. fluids in which there are significant short range correlations between the positions of neighbouring particles, and crystals which have long range spatial order, have been investigated extensively. We report here a detailed study of the phase diagram of suspensions of colloidal spheres which interact through a steep repulsive potential. With increasing particle concentration hermes bags replica we observed a progression from colloidal fluid, to fluid and crystal phases in coexistence, to fully crystallized samples. At the fake hermes leather handbags highest concentrations we obtained very viscous samples in which full crystallization had not occurred after several months and in which the particles appeared to be arranged as an amorphous glass The empirical phase diagram can be reproduced reasonably well by an effective hard sphere model. The observation of the colloidal glass replica how much is a hermes handbag phase is interesting both in itself and because of possible relevance to the manufacture of high strength ceramics8.

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