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Damage and strain in single-layer graphene induced by very-low-energy electron-beam irradiation
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10.1063/1.4790388
/content/aip/journal/apl/102/4/10.1063/1.4790388
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/4/10.1063/1.4790388
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Series Raman spectra of single-layer graphene before and after 500 eV electron beam irradiation at various electron doses. Inset figure is the SEM image of a typical specimen of single-layer graphene.

Image of FIG. 2.
FIG. 2.

The I(D)/I(G) and G peak position under irradiation with various electron energies as a function of electron dose. Inset figures are enlarged views in the low electron dose range (0–2.5 mC/cm2).

Image of FIG. 3.
FIG. 3.

(a) The mapping of G peak position after irradiation of 9.72 mC/cm2 at 500 eV. The mapping in red (1573.6 cm−1) and blue (1581.1 cm−1) corresponds, respectively, to the red-shifted G peak (i.e., tensile strain) and the blue-shifted G peak (i.e., compressive strain) from the initial G peak position before irradiation (1577.3 cm−1). (b) Schematic diagram of Fig. 3(a) .

Image of FIG. 4.
FIG. 4.

The biaxial tensile strain induced by irradiation with various energies as a function of electron dose. Inset figure is the enlarged view in the low electron dose range (0–2.5 mC/cm2).

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/content/aip/journal/apl/102/4/10.1063/1.4790388
2013-01-30
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Damage and strain in single-layer graphene induced by very-low-energy electron-beam irradiation
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/4/10.1063/1.4790388
10.1063/1.4790388
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