Iveković, Damjan; Tomić Luketić, Kristina; Vázquez, H.; Leino, A.; Djurabekova, F.; Nordlund, K.; Madauß, L.; Liebsch, Y.; Schleberger, M.; Karlušić, Marko (2024) Suspended nanoporous graphene produced by swift heavy ion bombardment. Materials Chemistry and Physics, 313 . ISSN 0254-0584
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Abstract
In the present work, Raman spectroscopy measurements and molecular dynamics simulations were used to investigate damage production in suspended single-layer graphene when irradiated by 23 MeV I, 3 MeV Cu and 18 MeV Cu beams. Despite the high energies of the used swift heavy ion beams, we found no evidence of ion track formation, i.e. all damage imparted to graphene was due to elastic collisions between ions and carbon atoms. Comparing experimental results with simulations, we conclude that a significant amount of energy (at least 40 % in the case of 23 MeV I irradiation) is dissipated away from graphene following the ion impact, and is a likely reason for the absence of ion tracks.
| Item Type: | Article | ||||||||||||
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| Uncontrolled Keywords: | swift heavy ion; nanopore; graphene; Raman spectroscopy; molecular dynamics | ||||||||||||
| Subjects: | NATURAL SCIENCES > Physics NATURAL SCIENCES > Physics > Condensed Matter Physics |
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| Divisions: | Division of Materials Physics | ||||||||||||
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| Depositing User: | Marko Karlušić | ||||||||||||
| Date Deposited: | 19 Dec 2025 08:16 | ||||||||||||
| URI: | http://fulir.irb.hr/id/eprint/10545 | ||||||||||||
| DOI: | 10.1016/j.matchemphys.2023.128729 |
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