Curvature elasticity of pure and mixed surfactant films

Igal Szleifer*, Diego Kramer, Avinoam Ben-Shaul, Didier Roux, William M. Gelbart

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

184 Scopus citations


We present here the first theoretical account of the dependence of curvature elastic energies of surfactant layers on area per head group and alkyl carbon number in pure films, and on composition in mixed cases. Treating explicitly the chain conformational statistics, we show that the bending constant can be decreased by an order of magnitude upon halving of the carbon number or upon replacement of as few as one-half of the long chains by the short ones.

Original languageEnglish (US)
Pages (from-to)1966-1969
Number of pages4
JournalPhysical review letters
Issue number19
StatePublished - 1988

ASJC Scopus subject areas

  • General Physics and Astronomy


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