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Issue 4, 2011
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A fresh look at the Laponite phase diagram

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By reviewing experimental and theoretical works, we discuss the phase diagram of Laponite suspensions, with the aim of clarifying several issues that have caused a long-time controversy on the system. We claim that, if aging and sample preparation are correctly taken into account, a unifying picture emerges from different experimental studies. Multiple non-ergodic states are identified, including a low concentration equilibrium gel and a high concentration Wigner glass in the absence of salt. These findings are critically discussed also with respect to recent evidence of phase separation at extremely low densities and to existing theoretical and numerical works.

Graphical abstract: A fresh look at the Laponite phase diagram

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The article was received on 28 Jun 2010, accepted on 18 Oct 2010 and first published on 20 Jan 2011

Article type: Review Article
DOI: 10.1039/C0SM00590H
Citation: Soft Matter, 2011,7, 1268-1286

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    A fresh look at the Laponite phase diagram

    B. Ruzicka and E. Zaccarelli, Soft Matter, 2011, 7, 1268
    DOI: 10.1039/C0SM00590H

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