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Dynamics of Hole Growth in Dewetting Polystyrene Films

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Neto, Chiara; Jacobs, Karin

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We describe experiments, based on optical and atomic force microscopy, aimed at characterising the growth of nucleated holes in polystyrene films. Circular nucleated holes develop upon dewetting in thick films, and they grow uniformly with time until coalescence with neighbouring holes occurs. Their growth rate follows a model that includes viscous dissipation in the rim and slippage on the substrate. Under certain conditions, however, nucleated holes in very thin films grow uniformly only up...[Show more]

dc.contributor.authorNeto, Chiara
dc.contributor.authorJacobs, Karin
dc.date.accessioned2015-12-13T22:39:10Z
dc.date.available2015-12-13T22:39:10Z
dc.identifier.issn0378-4371
dc.identifier.urihttp://hdl.handle.net/1885/77662
dc.description.abstractWe describe experiments, based on optical and atomic force microscopy, aimed at characterising the growth of nucleated holes in polystyrene films. Circular nucleated holes develop upon dewetting in thick films, and they grow uniformly with time until coalescence with neighbouring holes occurs. Their growth rate follows a model that includes viscous dissipation in the rim and slippage on the substrate. Under certain conditions, however, nucleated holes in very thin films grow uniformly only up to a certain threshold value, beyond which a cascade pattern called "satellite holes" is observed. This pattern is the result of the interplay between the disjoining and Laplace pressure.
dc.publisherElsevier
dc.sourcePhysica A: Statistical mechanics and its applications
dc.subjectKeywords: Atomic force microscopy; Coalescence; Dynamics; Energy dissipation; Heat treatment; Laplace transforms; Lubricants; Polystyrenes; Stiction; Thin films; Viscous flow; Wetting; Dewetting; Nucleated holes; Satellite holes; Structure formation; Thin polymer f AFM; Dewetting; Structure formation; Thin polymer films
dc.titleDynamics of Hole Growth in Dewetting Polystyrene Films
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume339
dc.date.issued2004
local.identifier.absfor020406 - Surfaces and Structural Properties of Condensed Matter
local.identifier.ariespublicationMigratedxPub6483
local.type.statusPublished Version
local.contributor.affiliationNeto, Chiara, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationJacobs, Karin, Saarland University
local.bibliographicCitation.startpage66
local.bibliographicCitation.lastpage71
local.identifier.doi10.1016/j.physa.2004.03.049
dc.date.updated2015-12-11T09:47:11Z
local.identifier.scopusID2-s2.0-2942571677
CollectionsANU Research Publications

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