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Spinodal Decomposition in a Model Colloid-Polymer Mixture in Microgravity

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Title

Spinodal Decomposition in a Model Colloid-Polymer Mixture in Microgravity

Author(s)

Bailey, A. E.
Poon, W. C. K.
Christianson, Rebecca J
Schofield, A. B.
Gasser, U.
Prasad, V.
Manley, S.
Segre, P. N.
Cipelletti, L.
Meyer, W. V.
Doherty, M. P.
Sankaran, S.
Jankovsky, A. L.
Shiley, W. L.
Zin Technologies, Inc.
Bowen, J. P.
Zin Technologies, Inc.
Eggers, J. C.
Zin Technologies, Inc.
Kurta, C.
Zin Technologies, Inc.
Lorik, Jr., T.
Zin Technologies, Inc.
Pusey, P. N.

Description

We study phase separation in a deeply quenched colloid-polymer mixture in microgravity on the International Space Station using small-angle light scattering and direct imaging. We observe a clear crossover from early-stage spinodal decomposition to late-stage, interfacial-tension-driven coarsening. Data acquired over 5 orders of magnitude in time show more than 3 orders of magnitude increase in domain size, following nearly the same evolution as that in binary liquid mixtures. The late-stage growth approaches the expected linear growth rate quite slowly.

Date Published

2018-03-26 15:07:38

Files

  • Download Christianson_SpinodalDecomposition.pdf

Rights Statements

In Copyright - Educational Use Permitted

Linked Data for this Object

Wikidata subjects
Colloid-polymer mixtures in the presence of quenched disorder: a theoretical and computer simulation study. microgravity

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