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Bilayer graphene by bonding CVD graphene to epitaxial graphene
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10.1116/1.3701700
/content/avs/journal/jvstb/30/3/10.1116/1.3701700
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/30/3/10.1116/1.3701700
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic of the single-layer and bilayer graphene structures created by wafer bonding and PMMA transfer in this work.

Image of FIG. 2.
FIG. 2.

(Color online) X-ray photoelectron spectra of C 1s (left) and Si 2p (right) for copper-graphene (Cu-G) on SiC (dotted line), epitaxial graphene (EG) on SiC (solid line), and Cu-G on EG on SiC (dashed line).

Image of FIG. 3.
FIG. 3.

(Color online) Raman spectroscopy of the 2D transition for copper-graphene (Cu-G) on SiC (dotted line), epitaxial graphene (EG) on SiC (solid line) (magnified by 16), and Cu-G on EG on SiC (dashed line) (magnified by 11).

Image of FIG. 4.
FIG. 4.

Atomic force microscope images (10 µm × 10 µm) of (a) copper-graphene (Cu-G) on epitaxial graphene (EG) via bonding and (b) Cu-G on EG via the PMMA transfer method. The scale for all images is the same.

Image of FIG. 5.
FIG. 5.

Plot of Hall mobility vs carrier concentration (all n-type) for devices patterned on bilayer graphene formed from copper-graphene on epitaxial graphene. The crossed box (▪) indicates the mobility and carrier concentration (n-type) for epitaxial graphene, and the diagonal box (▪) indicates the mobility and carrier concentration (p-type) for copper graphene.

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/content/avs/journal/jvstb/30/3/10.1116/1.3701700
2012-04-17
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Bilayer graphene by bonding CVD graphene to epitaxial graphene
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/30/3/10.1116/1.3701700
10.1116/1.3701700
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