Abstract

Critical temperatures, [Formula presented], densities, [Formula presented], and coexistence curves for 2:1 and 3:1 hard-core model electrolytes have been found by fine-discretization Monte Carlo simulation. The size ratio of [Formula presented] and [Formula presented] ions strongly affects [Formula presented] and [Formula presented]; the trends contradict most current theories. Large multivalent ions screened by small monovalent counterions exhibit normal gas-liquid transitions of direct relevance to phase separation in charge-stabilized colloids. Conversely, extrapolation suggests the absence of such transitions for sufficiently small multivalent ions with large monovalent counterions.

Original languageEnglish (US)
Number of pages1
JournalPhysical review letters
Volume88
Issue number4
DOIs
StatePublished - Jan 1 2002

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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