Phase transitions induced by electric fields in near-critical polymer solutions

Denis Wirtz, Gerald G. Fuller

Research output: Contribution to journalArticlepeer-review

Abstract

A time-dependent small-angle light scattering (SALS) study is presented which demonstrates the feasibility of electric-field-induced phase transitions in nonionic binary liquids near the critical point. Mixing of two-phase solutions induced by electric fields is shown to be a universal feature shared by a wide class of systems including upper and lower critical point polymer solutions and mixtures of low-molecular-weight molecules in a solvent. The shift of the critical temperature is computed from SALS measurements and is quadratic in the electric-field strength.

Original languageEnglish (US)
Pages (from-to)2236-2239
Number of pages4
JournalPhysical Review Letters
Volume71
Issue number14
DOIs
StatePublished - 1993
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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