1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Influence of substrate type and quality on carrier mobility in graphene nanoribbons
Rent:
Rent this article for
USD
10.1063/1.4817077
/content/aip/journal/jap/114/5/10.1063/1.4817077
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/5/10.1063/1.4817077

Figures

Image of FIG. 1.
FIG. 1.

Calibration and verification of the GNR mobility model. Experimental data is taken from Ref. (circles) and Ref. (triangles).

Image of FIG. 2.
FIG. 2.

Contributions of all scattering mechanisms to the total GNR mobility for (a)  = 8.5 × 10 cm and (b)  = 10 cm. The mobility is extracted at  = 10 cm, and the substrate is SiO.

Image of FIG. 3.
FIG. 3.

(a) Comparison of vs. curves for two levels, 10 cm and 8.5 × 10 cm. (b) Mobility improvement with the reduction of for GNRs on SiO.

Image of FIG. 4.
FIG. 4.

Influence of GNR width downscaling on (a) and (b) for the four examined substrate materials. (c) Improvement of the total mobility on AlO, HfO, and -BN in comparison to SiO. The results in (b) and (c) are obtained for  = 8.5 × 10 cm.

Image of FIG. 5.
FIG. 5.

Mobility dependence on GNR width for different scattering mechanisms in the case  = 8.5 × 10 cm, for the following substrate materials: (a) SiO (for comparison), (b) AlO, (c) HfO, and (d) -BN.

Image of FIG. 6.
FIG. 6.

Mobility dependence on GNR width for different scattering mechanisms in the case  = 10 cm, for the following substrate materials: (a) SiO (for comparison), (b) AlO, (c) HfO, and (d) -BN.

Image of FIG. 7.
FIG. 7.

(a) Comparison of the total mobility in GNRs on SiO, AlO, HfO, and -BN in the case of  = 10 cm. (b) Improvement of the total GNR mobility on AlO, HfO, and -BN in comparison to SiO, in the case of low interface impurity density.

Image of FIG. 8.
FIG. 8.

Influence of GNR width downscaling on (a) subband occupancy, (b) dielectric function, (c) effective volume for CO scattering, and (d) effective length for SOP scattering. For each device width, the parameter values are extracted at  = 1.5 eV.

Tables

Generic image for table
Table I.

Dielectric constants and SOP energies (Refs. ).

Loading

Article metrics loading...

/content/aip/journal/jap/114/5/10.1063/1.4817077
2013-08-01
2014-04-18
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Influence of substrate type and quality on carrier mobility in graphene nanoribbons
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/5/10.1063/1.4817077
10.1063/1.4817077
SEARCH_EXPAND_ITEM