Structure and formation of a gel of colloidal disks

M. Kroon, W. L. Vos, G. H. Wegdam*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

12 Citations (Scopus)

Abstract

We have performed static scattering experiments on the gel state of a suspension of disk-shaped charged colloidal particles. The combination of static light scattering and small-angle x-ray scattering experiments probes more than three orders of magnitude in the scattering vector q. We observe that, after application of shear, the form factor develops nematic-like order. This order decays to random orientation in the gel state. This suggests that local reorientation of the disks leads to the gel state, as opposed to aggregation.

Original languageEnglish
Pages (from-to)887-894
Number of pages8
JournalInternational Journal of Thermophysics
Volume19
Issue number3 SPEC.ISS.
DOIs
Publication statusPublished - 1 May 1998
Externally publishedYes

Keywords

  • Colloids
  • Gels
  • Light scattering
  • Structure of glasses
  • X-ray scattering

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