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The European Physical Journal E

, Volume 20, Issue 3, pp 267–271 | Cite as

Slip vs. viscoelasticity in dewetting thin films

  • R. BlosseyEmail author
  • A. Münch
  • M. Rauscher
  • B. Wagner
Regular Article

Abstract.

Ultrathin polymer films on non-wettable substrates display dynamic features which have been attributed to either viscoelastic or slip effects. Here we show that in the weak- and strong-slip regime, effects of viscoelastic relaxation are either absent or essentially indistinguishable from slip effects. Strong slip modifies the fastest unstable mode in a rupturing thin film, which questions the standard approach to reconstruct the effective interface potential from dewetting experiments.

PACS.

83.60.Bc Linear viscoelatiscity 47.50.-d Non-Newtonian fluid flows 68.15.+e Liquid thin films 

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Copyright information

© EDP Sciences, Società Italiana di Fisica and Springer-Verlag 2006

Authors and Affiliations

  • R. Blossey
    • 1
    Email author
  • A. Münch
    • 2
  • M. Rauscher
    • 3
    • 4
  • B. Wagner
    • 5
  1. 1.Biological NanosystemsInterdisciplinary Research InstituteVilleneuve d'AscqFrance
  2. 2.Institute of MathematicsHumboldt University of BerlinBerlinGermany
  3. 3.Max-Planck-Institut für MetallforschungStuttgartGermany
  4. 4.ITAPUniversität StuttgartStuttgartGermany
  5. 5.Weierstrass Institute for Applied Analysis and Stochastics (WIAS)BerlinGermany

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