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Cutting forces related with lattice orientations of graphene using an atomic force microscopy based nanorobot
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10.1063/1.4767230
/content/aip/journal/apl/101/21/10.1063/1.4767230
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/21/10.1063/1.4767230
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Optical image of the graphene, blue scale bars: 50 μm. (b) Height image of the graphene in AFM tapping mode. Scan size: 20.0 μm × 20.0 μm, scan angle: . (c) Height analysis trace, which is showing the thickness of the graphene (white line indicating) in (b) is around 0.477 nm.

Image of FIG. 2.
FIG. 2.

(a-1) AFM height image of a graphene sheet, scan size: 6.3 μm × 6.3 μm, scan angle: . (a-2) Atomic resolution image of (a-1). Scan size: 5.0 nm × 5 nm, scan angle: . (a-3) The real lattice orientation on (a-1). (b-1) AFM height image of another graphene sheet, scan size: 15.0 μm × 15.0 μm, scan angle: . (b-2) Atomic resolution image of (b-1). Scan size: 5.0 nm × 5 nm, scan angle: . (b-3) The real lattice orientation on (b-1).

Image of FIG. 3.
FIG. 3.

AFM height images of different shapes patterned on graphene sheets.(a) scan size: 5.1 μm × 5.1 μm. (b) Scan size: 4.3 μm × 4.3 μm. (c)scan size: 5.0 μm × 5.0 μm. (d) The width analysis of the nanoribbon in (c).

Image of FIG. 4.
FIG. 4.

Graphene cutting force measurement at rotation angles , and , respectively. Scan size: 5.5 μm × 5.5 μm. The white circles indicate the cutting site and the white arrows indicate the AFM tip cutting direction. and are armchair orientations. and are zigzag orientations. The cutting speed is 1 μm/s and applied load is 43.4 μN.

Image of FIG. 5.
FIG. 5.

Graphene cutting force measurement at rotation angles , and , respectively. Scan size: 5.5 μm × 5.5 μm. The white circles indicate the cutting site and the white arrows indicate the AFM tip cutting direction. and are armchair orientations. and are zigzag orientations. The cutting speed is 1 μm/s and applied load is 43.1 μN.

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/content/aip/journal/apl/101/21/10.1063/1.4767230
2012-11-19
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Cutting forces related with lattice orientations of graphene using an atomic force microscopy based nanorobot
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/21/10.1063/1.4767230
10.1063/1.4767230
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