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Confinement effects of ion tracks in ultrathin polymer films

dc.contributor.authorPapaleo, Ricardo Meurerpt_BR
dc.contributor.authorThomaz, R.S.pt_BR
dc.contributor.authorGutierres, L.I.pt_BR
dc.contributor.authorMenezes, Vivian Machado dept_BR
dc.contributor.authorSeverin, D.pt_BR
dc.contributor.authorTrautmann, C.pt_BR
dc.contributor.authorTramontina, Diegopt_BR
dc.contributor.authorBringa, Eduardo Marcialpt_BR
dc.contributor.authorGrande, Pedro Luispt_BR
dc.date.accessioned2015-05-16T02:00:40Zpt_BR
dc.date.issued2015pt_BR
dc.identifier.issn0031-9007pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/116507pt_BR
dc.description.abstractWe show direct experimental evidence that radiation effects produced by single MeV heavy ions on a polymer surface are weakened when the length of the ion track in the material is confined into layers of a few tens of nanometers. Deviation from the bulk (thick film) behavior of ion-induced craters starts at a critical thickness as large as ∼40 nm, due to suppression of long-range additive effects of excited atoms along the track. Good agreement was found between the experimental results, molecular dynamic simulations, and an analytical model.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofPhysical review letters. Melville. Vol. 114, no. 11 (Mar. 2015), 118302, 5 p.pt_BR
dc.rightsOpen Accessen
dc.subjectFilmes finospt_BR
dc.subjectFilmes poliméricospt_BR
dc.subjectDinâmica molecularpt_BR
dc.subjectEfeitos de feixe iônicopt_BR
dc.titleConfinement effects of ion tracks in ultrathin polymer filmspt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000965730pt_BR
dc.type.originEstrangeiropt_BR


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