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Quantum Hall effect on centimeter scale chemical vapor deposited graphene films
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10.1063/1.3663972
/content/aip/journal/apl/99/23/10.1063/1.3663972
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/23/10.1063/1.3663972
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) DC four-terminal longitudinal resistance Rxx (hollow circle) measured as a function of gate voltage Vg at 1.7 K along with modeling fit (solid line). Inset: Picture of the 7 mm× 7 mm graphene device on a SiO2/Si substrate. The dashed square is a guide to the eye indicating the outline of the graphene film.

Image of FIG. 2.
FIG. 2.

(Color online) (a) DC four-terminal longitudinal resistance Rxx , absolute value of Hall resistance |Rxy | and two-terminal resistance R as a function of Vg measured at 1.7 K and a magnetic field of 14 T. The resistances are (anti)symmetrized between positive and negative magnetic fields. The horizontal dashed line is the h/2e 2 conventional value as assigned in 1990 (See Ref. 17). (b) Rxx and Rxy as a function of magnetic field at 1.7 K and Vg  = −9 V. (c) Schematic circuit diagram for four terminal and two terminal triple-series measurements. The solid dots represent the indium contacts as shown in Fig. 1 inset.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Hall resistance Rxy and longitudinal resistance Rxx as a function of Vg at B = 14 T for different temperatures. The resistances are (anti)symmetrized between the positive and negative magnetic field orientations. The horizontal dotted lines indicate the i = ±2, ±6, and −10 quantum Hall plateau conventional values as assigned in 1990 (See Ref. 17). (b) Rxx (T) at various ΔVg at B = 0 T. The symbols are experimental data and the lines are guides to the eye.

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/content/aip/journal/apl/99/23/10.1063/1.3663972
2011-12-07
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Quantum Hall effect on centimeter scale chemical vapor deposited graphene films
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/23/10.1063/1.3663972
10.1063/1.3663972
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