In-situ observation and atomic resolution imaging of the ion irradiation induced amorphisation of graphene

C. T. Pan; J. A. Hinks; Quentin Mathieu Ramasse; G. Greaves; U. Bangert; S. E. Donnelly; S. J. Haigh

doi:10.1038/srep06334

In-situ observation and atomic resolution imaging of the ion irradiation induced amorphisation of graphene

C. T. Pan, J. A. Hinks, Quentin Mathieu Ramasse, G. Greaves, U. Bangert, S. E. Donnelly, S. J. Haigh

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Abstract

Ion irradiation has been observed to induce a macroscopic flattening and in-plane shrinkage of graphene sheets without a complete loss of crystallinity. Electron diffraction studies performed during simultaneous in-situ ion irradiation have allowed identification of the fluence at which the graphene sheet loses long-range order. This approach has facilitated complementary ex-situ investigations, allowing the first atomic resolution scanning transmission electron microscopy images of ion-irradiation induced graphene defect structures together with quantitative analysis of defect densities using Raman spectroscopy.

Original language	English
Article number	6334
Number of pages	7
Journal	Scientific Reports
Volume	4
DOIs	https://doi.org/10.1038/srep06334
Publication status	Published - 6 Oct 2014

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10.1038/srep06334Licence: CC BY-NC-ND

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AU - Pan, C. T.

AU - Hinks, J. A.

AU - Ramasse, Quentin Mathieu

AU - Greaves, G.

AU - Bangert, U.

AU - Donnelly, S. E.

AU - Haigh, S. J.

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N2 - Ion irradiation has been observed to induce a macroscopic flattening and in-plane shrinkage of graphene sheets without a complete loss of crystallinity. Electron diffraction studies performed during simultaneous in-situ ion irradiation have allowed identification of the fluence at which the graphene sheet loses long-range order. This approach has facilitated complementary ex-situ investigations, allowing the first atomic resolution scanning transmission electron microscopy images of ion-irradiation induced graphene defect structures together with quantitative analysis of defect densities using Raman spectroscopy.

AB - Ion irradiation has been observed to induce a macroscopic flattening and in-plane shrinkage of graphene sheets without a complete loss of crystallinity. Electron diffraction studies performed during simultaneous in-situ ion irradiation have allowed identification of the fluence at which the graphene sheet loses long-range order. This approach has facilitated complementary ex-situ investigations, allowing the first atomic resolution scanning transmission electron microscopy images of ion-irradiation induced graphene defect structures together with quantitative analysis of defect densities using Raman spectroscopy.

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KW - Graphene

KW - Nanoscale materials

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In-situ observation and atomic resolution imaging of the ion irradiation induced amorphisation of graphene

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