New electric-field-driven mesoscale phase transitions in polarized suspensions

Anil Kumar, Boris Khusid, Zhiyong Qiu, Andreas Acrivos

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

We report the discovery of a new class of an electric field-driven bulk phase transition due solely to dipolar interactions in a suspension under the action of a uniform ac field where the effects of other competing forces are suppressed. This transition appears after the well-known chain-column formation and causes the uniform suspension of columns to rearrange into a cellular pattern consisting of particle-free domains surrounded by particle-rich walls. Interestingly, the characteristic size of these domains scales linearly with the interelectrode spacing and remains insensitive to the size of the particles.

Original languageEnglish (US)
Article number258301
JournalPhysical Review Letters
Volume95
Issue number25
DOIs
StatePublished - Dec 16 2005

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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