Glasslike arrest in spinodal decomposition as a route to colloidal gelation

S. Manley, H.M. Wyss, K. Miyazaki, J.C. Conrad, V. Trappe, L.J. Kaufman, D.R. Reichman, D.A. Weitz

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Abstract

Colloid-polymer mixtures can undergo spinodal decomposition into colloid-rich and colloid-poorregions. Gelation results when interconnected colloid-rich regions solidify. We show that this occurs when these regions undergo a glass transition, leading to dynamic arrest of the spinodal decomposition.The characteristic length scale of the gel decreases with increasing quench depth, and the nonergodicity parameter exhibits a pronounced dependence on scattering vector. Mode coupling theory gives a good description of the dynamics, provided we use the full static structure as input.
Original languageEnglish
Article number238302
Pages (from-to)238302
Number of pages4
JournalPhysical Review Letters
Volume95
Issue number23
DOIs
Publication statusPublished - 2005
Externally publishedYes

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gelation
colloids
routes
decomposition
coupled modes
gels
glass
polymers
scattering

Cite this

Manley, S., Wyss, H. M., Miyazaki, K., Conrad, J. C., Trappe, V., Kaufman, L. J., ... Weitz, D. A. (2005). Glasslike arrest in spinodal decomposition as a route to colloidal gelation. Physical Review Letters, 95(23), 238302. [238302]. https://doi.org/10.1103/PhysRevLett.95.238302
Manley, S. ; Wyss, H.M. ; Miyazaki, K. ; Conrad, J.C. ; Trappe, V. ; Kaufman, L.J. ; Reichman, D.R. ; Weitz, D.A. / Glasslike arrest in spinodal decomposition as a route to colloidal gelation. In: Physical Review Letters. 2005 ; Vol. 95, No. 23. pp. 238302.
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Manley, S, Wyss, HM, Miyazaki, K, Conrad, JC, Trappe, V, Kaufman, LJ, Reichman, DR & Weitz, DA 2005, 'Glasslike arrest in spinodal decomposition as a route to colloidal gelation', Physical Review Letters, vol. 95, no. 23, 238302, pp. 238302. https://doi.org/10.1103/PhysRevLett.95.238302

Glasslike arrest in spinodal decomposition as a route to colloidal gelation. / Manley, S.; Wyss, H.M.; Miyazaki, K.; Conrad, J.C.; Trappe, V.; Kaufman, L.J.; Reichman, D.R.; Weitz, D.A.

In: Physical Review Letters, Vol. 95, No. 23, 238302, 2005, p. 238302.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Manley, S.

AU - Wyss, H.M.

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AB - Colloid-polymer mixtures can undergo spinodal decomposition into colloid-rich and colloid-poorregions. Gelation results when interconnected colloid-rich regions solidify. We show that this occurs when these regions undergo a glass transition, leading to dynamic arrest of the spinodal decomposition.The characteristic length scale of the gel decreases with increasing quench depth, and the nonergodicity parameter exhibits a pronounced dependence on scattering vector. Mode coupling theory gives a good description of the dynamics, provided we use the full static structure as input.

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DO - 10.1103/PhysRevLett.95.238302

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