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Surface diffusion: defining a new critical effective radius for holes in thin films

We explore a specific small geometry containing a single thin bounded grain on a substrate with a hole at
its center. By employing a mathematical model based on surface diffusion, no flux boundary
conditions, and prescribed contact angles, we study the evolution of the hole as well as the exterior
surface of the grain, based on energetic considerations and dynamic simulations. Our results
regarding the formation and evolution of holes in thin films in small geometries shed light on various
nonlinear phenomena associated with wetting and dewetting.

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:80747
Date22 September 2022
CreatorsZigelman, Anna, Novick-Cohen, Amy
PublisherUniversity of Leipzig
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/publishedVersion, doc-type:article, info:eu-repo/semantics/article, doc-type:Text
Rightsinfo:eu-repo/semantics/openAccess
Relation1862-4138, urn:nbn:de:bsz:15-qucosa2-806868, 05, qucosa:80686

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