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Influence of ageing on Raman spectra and the conductivity of monolayer graphene samples irradiated by heavy and light ions

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.4959880· OSTI ID:22597726
; ; ;  [1]; ; ; ; ;  [2]
  1. Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan 52900 (Israel)
  2. Department of Physics, Jack and Pearl Resnick Institute, Bar-Ilan University, Ramat Gan 52900 (Israel)
The influence of long-term ageing (about one year) on the Raman scattering (RS) spectra and the temperature dependence of conductivity has been studied in two series of monolayer graphene samples irradiated by different doses of C{sup +} and Xe{sup +} ions. It is shown that the main result of ageing consists of changes in the intensity and position of D- and G- and 2D-lines in RS spectra and in an increase of the conductivity. The observed effects are explained in terms of an increase of the radius of the “activated” area around structural defects.
OSTI ID:
22597726
Journal Information:
Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 4 Vol. 120; ISSN JAPIAU; ISSN 0021-8979
Country of Publication:
United States
Language:
English

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