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Coexistence of Buckled and Flat Monolayers

M. M. Lipp1, K. Y. C. Lee1, D. Y. Takamoto1, J. A. Zasadzinski1,*, and A. J. Waring2

  • 1Department of Chemical Engineering, University of California, Santa Barbara, California 93106
  • 2MLK/Drew University Medical Center and Perinatal Labs, Harbor-UCLA, California 90059

  • *To whom correspondence should be addressed. Email address: gorilla@engineering.ucsb.edu
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Phys. Rev. Lett. 81, 1650 – Published 24 August, 1998

DOI: https://doi.org/10.1103/PhysRevLett.81.1650

Abstract

The minimum surface tension and respreadability of a surfactant monolayer is limited by a two to three dimensional instability called collapse. Liquid-condensed or solid phase monolayers collapse via fracture followed by loss of material. Liquid-expanded phase monolayers collapse by solubilization into the subphase. Monolayers that retain a continuous liquid-expanded phase network surrounding islands of liquid-condensed or solid phase collapse at low surface tensions via a localized, large amplitude buckling. The buckled regions coexist with the flat monolayer, remain attached to the interface, and reversibly reincorporate into the monolayer upon expansion.

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Outline

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Phys. Rev. Lett. 81, 1650– Published 24 August, 1998
  • Received 20 February 1998

© 1998 American Physical Society

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