Interfacial instability driven by dispersive forces: The early stages of spinodal dewetting of a thin polymer film on a polymer substrate

M. Sferrazza, M. Heppenstall-Butler, R. Cubitt, D. Bucknall, J. Webster, R. A L Jones

Research output: Contribution to journalArticle

140 Citations (Scopus)

Abstract

The interface between ultrathin deuterated poly(methyl methacrylate) films on polystyrene substrates is subject to a dispersive force driven instability consisting of thermally excited capillary waves. We have studied this example of liquid/liquid spinodal dewetting, using specular and off-specular neutron reflection measurements to characterize the length scale and growth rate of the instability of the buried. polymer interfaces.

Original languageEnglish
Pages (from-to)5173-5176
Number of pages4
JournalPhysical Review Letters
Volume81
Issue number23
Publication statusPublished - 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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