Oxidation of polyethylene implanted with low energy magnesium ions

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dc.contributor.authorDeslandes, Aen_AU
dc.contributor.authorIonescu, Men_AU
dc.contributor.authorKaratchevtseva, Ien_AU
dc.contributor.authorSiegele, Ren_AU
dc.contributor.authorCohen, DDen_AU
dc.date.accessioned2015-09-29T06:18:26Zen_AU
dc.date.available2015-09-29T06:18:26Zen_AU
dc.date.issued2013-07-15en_AU
dc.date.statistics2015-09-21en_AU
dc.description.abstractThe oxidation of polyethylene implanted with low energy, i.e. 25–50 keV, Mg ions to fluences from 5 × 1012–5 × 1016 ions/cm2 was studied. Rutherford back-scattering spectroscopy showed all implanted samples gained oxygen but the distribution did not match that of the implanted Mg. An increase in carbon content was also observed for the near-surface region. Depth profiles of hydrogen were obtained via elastic recoil detection analysis, showing that hydrogen was lost throughout and beyond the range of the Mg ions, producing unsaturated and chemically active sites available for oxidation. Fourier-transform infrared spectroscopy revealed the formation of carbon–oxygen bonding such as carbonyl groups, but showed no evidence of oxidised magnesium. Raman spectroscopy showed disordered and graphitic carbon bonding configurations were created by the irradiation, but no evidence of oxidised magnesium. The implantation of films to high fluence produced a carbonized surface-layer that made the irradiated polymer more resistant to oxidation. © 2013, Elsevier B.V.en_AU
dc.identifier.citationDeslandes, A., Ionescu, M., Karatchevtseva, I., Siegele, R., & Cohen, D. D. (2013). Oxidation of polyethylene implanted with low energy magnesium ions. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 307, 624-629. doi:10.1016/j.nimb.2012.12.103en_AU
dc.identifier.govdoc6095en_AU
dc.identifier.issn0168-583Xen_AU
dc.identifier.journaltitleNuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atomsen_AU
dc.identifier.pagination624-629en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.nimb.2012.12.103en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/6247en_AU
dc.identifier.volume307en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectPolymersen_AU
dc.subjectMagnesiumen_AU
dc.subjectOxidationen_AU
dc.subjectCarbonizationen_AU
dc.subjectHydrogenen_AU
dc.subjectRaman spectroscopyen_AU
dc.subjectRutherford backscattering spectroscopyen_AU
dc.titleOxidation of polyethylene implanted with low energy magnesium ionsen_AU
dc.typeJournal Articleen_AU
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