Phys. Rev. Lett. 87, 135502 (2001) [4 pages]Dynamic Instability of Strongly Confined Thin Polymer Films in Spinodal DewettingReceived 4 April 2001; published 7 September 2001 We present a general criterion for determining the dynamic instability of a thin polymer film that is strongly confined to a substrate. When such a polymer film is heated above its glass transition temperature, it dewets from the substrate by a spinodal dewetting scenario, in which the onset of the instability is governed by dispersion force and residual thermal stress. It turns out that the thermal stress plays an important role when there is a special interaction between a polymer and a substrate. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.87.135502
DOI:
10.1103/PhysRevLett.87.135502
PACS:
61.41.+e, 68.08.Bc, 68.15.+e
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