Model for Phase Transitions in the Solid Phases of Langmuir Monolayers

Jiunn Ren Roan, Toshihiro Kawakatsu

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1 Citation (Scopus)


A quasi two-dimensional (2D) model for the solid phases (CS, S, and LS) of Langmuir monolayers is proposed. The model can reproduce the CS-S and S-LS transitions and many other experimental results observed in the monolayers of fatty acids using parameters that can be estimated from experiments. It is demonstrated that, although being ignored in many theories, electrostatic interactions indeed play a crucial role in the polymorphism of the monolayer.

Original languageEnglish
Pages (from-to)738-742
Number of pages5
JournalJournal of the Physical Society of Japan
Issue number3
Publication statusPublished - 2001 Mar


  • Cell-mode expansion
  • Langmuir monolayers
  • Phase diagram


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