4.8 Article

Particle Trapping and Banding in Rapid Colloidal Solidification

Journal

PHYSICAL REVIEW LETTERS
Volume 107, Issue 16, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.168301

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Funding

  1. King Abdullah University of Science and Technology (KAUST) [KUK-C1-013-04]
  2. Natural Sciences and Engineering Research Council (NSERC) of Canada

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We derive an expression for the nonequilibrium segregation coefficient of colloidal particles near a moving solid-liquid interface. The resulting kinetic phase diagram has applications for the rapid solidification of clay soils, gels, and related colloidal systems. We use it to explain the formation of bandlike defects in rapidly solidified alumina suspensions.

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