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Radio frequency signal detection by ballistic transport in Y-shaped graphene nanoribbons
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10.1063/1.4732792
/content/aip/journal/apl/101/1/10.1063/1.4732792
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/1/10.1063/1.4732792
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Figures

Image of FIG. 1.
FIG. 1.

Top-view image of the fabricated device. The top inset shows the core of the device with more detail. The bottom inset show a detail of the air-bridge used to form the central electrode. The Y-shaped graphene nanoribbons reside below the suspended part of the air-bridge and connect to the center electrode, the ground, and the feet of the air-bridge structure. Thus a parallel action from all nanoribbons is obtained.

Image of FIG. 2.
FIG. 2.

Open circuit voltage (a) and current (b) response of the detector as a function of input power. The four curves correspond to different input frequencies.

Image of FIG. 3.
FIG. 3.

Sensitivity as a function of input frequency. A maximum that corresponds to 10 V/W was measured for 10 GHz and a cut-off frequency of 35GHz. Low frequency losses can be attributed to impedance mismatch evident in scattering parameter measurements (not shown here).

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/content/aip/journal/apl/101/1/10.1063/1.4732792
2012-07-05
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Radio frequency signal detection by ballistic transport in Y-shaped graphene nanoribbons
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/1/10.1063/1.4732792
10.1063/1.4732792
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