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Graphene on Rh(111): Scanning tunneling and atomic force microscopies studies
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10.1063/1.4729549
/content/aip/journal/apl/100/24/10.1063/1.4729549
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/24/10.1063/1.4729549
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Figures

Image of FIG. 1.
FIG. 1.

(a) Crystallographic structure and (b) the corresponding calculated STM image of graphene/Rh(111). (c) Large scale STM image of the graphene layer on Rh(111). Tunneling conditions: UT  = +1 V, IT  = 1 nA. (d) 3D view of the 5 × 5 nm2 region from (c) showing the structure of the graphene layer on Rh(111). Tunneling conditions: UT  = −0.55 V, IT  = 10 nA. The capital letters denote the corresponding high-symmetry adsorption sites of carbon atoms on Rh(111).

Image of FIG. 2.
FIG. 2.

(Upper panel) Frequency shift plots as functions of the relative distance with respect to the scanning position (UT  = −840 mV, IT  = 0.48 nA) for hills (A) and valleys (B). The inset shows the respective tunneling current, I(z). (Lower panel) The AFM images measured at the frequency shifts of the sensor marked by the corresponding dashed lines in the upper panel. The large and small hexagons mark the graphene unit cell and the carbon ring, respectively. The distorted rhombuses mark the graphene moiré cell on Rh(111). The scale bar in the right lower conner of (a)–(c) is equal to 2 nm.

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/content/aip/journal/apl/100/24/10.1063/1.4729549
2012-06-14
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Graphene on Rh(111): Scanning tunneling and atomic force microscopies studies
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/24/10.1063/1.4729549
10.1063/1.4729549
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