Published Research - Department of Chemistry


Date of this Version

November 1993


Published by American Institute of Physics. J. Chem. Physics 99 (lo), 15 November 1993. ©1993 American Institute of Physics. Permission to use.


A cross-section potential which models the interaction of two planar objects of prescribed shape is developed and used to model the interactions of amphiphiles in vertical phases of Langmuir monolayers. The results of Monte Carlo simulations of an isobaric-isothermal ensemble show qualitative agreement with experiment. The model system undergoes a continuous, bound-to-free rotator transition between phases of the same symmetries as the solid (S) and super liquid (LS) phases exhibited by fatty acid films.

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