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

  • C. T. Pan
  • , J. A. Hinks
  • , Q. M. Ramasse
  • , G. Greaves
  • , U. Bangert
  • , S. E. Donnelly
  • , S. J. Haigh

Research output: Contribution to journalArticlepeer-review

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 languageEnglish
Article number6334
JournalScientific Reports
Volume4
DOIs
Publication statusPublished - 2014

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