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Folding two dimensional crystals by swift heavy ion irradiation

Abstract : Ion irradiation of graphene, the showcase model of two dimensional crystals, has been successfully applied to induce various modifications in the graphene crystal. One of these modifications is the formation of origami like foldings in graphene which are created by swift heavy ion irradiation under glancing incidence angle. These foldings can be applied to locally alter the physical properties of graphene like mechanical strength or chemical reactivity. In this work we show that the formation of foldings in two dimensional crystals is not restricted to graphene but can be applied for other materials like MoS2 and hexagonal BN as well. Further we show that chemical vapour deposited graphene forms foldings after swift heavy ion irradiation while chemical vapour deposited MoS2 does not.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-03197688
Contributor : Henning Lebius <>
Submitted on : Wednesday, April 14, 2021 - 9:52:13 AM
Last modification on : Friday, April 23, 2021 - 3:16:06 AM

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Oliver Ochedowski, Hanna Bukowska, Victor Freire Soler, Lara Brökers, Brigitte Ban-d'Etat, et al.. Folding two dimensional crystals by swift heavy ion irradiation. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2014, 340, pp.39-43. ⟨10.1016/j.nimb.2014.07.037⟩. ⟨hal-03197688⟩

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