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Article: Grain-boundary grooving and agglomeration of alloy thin films with a slow-diffusing species

TitleGrain-boundary grooving and agglomeration of alloy thin films with a slow-diffusing species
Authors
Issue Date2007
Citation
Physical Review Letters, 2007, v. 98, n. 8, article no. 085503 How to Cite?
AbstractWe present a general phase-field model for grain-boundary grooving and agglomeration of polycrystalline alloy thin films. In particular, we study the effects of slow-diffusing species on the grooving rate. As the groove grows, the slow species becomes concentrated near the groove tip so that further grooving is limited by the rate at which it diffuses away from the tip. At early times the dominant diffusion path is along the boundary, while at late times it is parallel to the substrate. This change in path strongly affects the time dependence of grain-boundary grooving and increases the time to agglomeration. The present model provides a tool for agglomeration-resistant thin film alloy design. © 2007 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/303296
ISSN
2023 Impact Factor: 8.1
2023 SCImago Journal Rankings: 3.040
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorBouville, Mathieu-
dc.contributor.authorChi, Dongzhi-
dc.contributor.authorSrolovitz, David J.-
dc.date.accessioned2021-09-15T08:25:01Z-
dc.date.available2021-09-15T08:25:01Z-
dc.date.issued2007-
dc.identifier.citationPhysical Review Letters, 2007, v. 98, n. 8, article no. 085503-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/303296-
dc.description.abstractWe present a general phase-field model for grain-boundary grooving and agglomeration of polycrystalline alloy thin films. In particular, we study the effects of slow-diffusing species on the grooving rate. As the groove grows, the slow species becomes concentrated near the groove tip so that further grooving is limited by the rate at which it diffuses away from the tip. At early times the dominant diffusion path is along the boundary, while at late times it is parallel to the substrate. This change in path strongly affects the time dependence of grain-boundary grooving and increases the time to agglomeration. The present model provides a tool for agglomeration-resistant thin film alloy design. © 2007 The American Physical Society.-
dc.languageeng-
dc.relation.ispartofPhysical Review Letters-
dc.titleGrain-boundary grooving and agglomeration of alloy thin films with a slow-diffusing species-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevLett.98.085503-
dc.identifier.pmid17359110-
dc.identifier.scopuseid_2-s2.0-33847250983-
dc.identifier.volume98-
dc.identifier.issue8-
dc.identifier.spagearticle no. 085503-
dc.identifier.epagearticle no. 085503-
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000244420700040-

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