Abstract
Particle condensation in nonconducting electro- and magnetorheological suspensions under the action of external electric (magnetic) field was theoretically studied. It was shown that the phase separation of the particle system of the “gas-liquid” type is preceded by the formation of fairly long chain aggregates. Phase transition occurs as a condensation of these chains as a result of their polar electric (magnetic) interaction. This fact denotes the essential difference between the phase separation in the considered suspensions of polarizable particles from the phase transitions in ferro- and Seignette-electric fluids, i.e., colloidal suspensions of monodomain particles with permanent intrinsic moments, as well as from the transitions in molecular systems, where the condensation occurs in the ensemble of individual particles (molecules).
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Zubarev, A.Y. On the Theory of Condensation Phase Transitions in Magnetic and Electrorheological Suspensions. Colloid Journal 63, 306–311 (2001). https://doi.org/10.1023/A:1016644210541
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DOI: https://doi.org/10.1023/A:1016644210541