Radio-frequency electrical characteristics of single layer graphene

Dae Young Jeon; Kook Joo Lee; Moonil Kim; Dong Chul Kim; Hyun Jong Chung; Yun Sung Woo; Sunae Seo

doi:10.1143/JJAP.48.091601

Radio-frequency electrical characteristics of single layer graphene

Dae Young Jeon, Kook Joo Lee, Moonil Kim, Dong Chul Kim, Hyun Jong Chung, Yun Sung Woo, Sunae Seo

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

The radio-frequency (RF) electrical response of monolayer graphene is reported. From the measured S-parameter in the range of 10MHz to 50 GHz, a simple equivalent resistor-inductor-capacitor (R-L-C) circuit is established to analyze frequency impedance. The impedance magnitude shows significant frequency dependence only below 10GHz and this dispersive behavior is originated from the graphene-metal contact. Above 10 GHz, there is no distinctive change in overall characteristic of impedance due to the absence of the skin effect and low intrinsic kinetic inductance of graphene. These results show that graphene could be a promising candidate for high-speed device application.

Original language	English
Pages (from-to)	916011-916013
Number of pages	3
Journal	Japanese journal of applied physics
Volume	48
Issue number	9 Part 1
DOIs	https://doi.org/10.1143/JJAP.48.091601
Publication status	Published - 2009

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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abstract = "The radio-frequency (RF) electrical response of monolayer graphene is reported. From the measured S-parameter in the range of 10MHz to 50 GHz, a simple equivalent resistor-inductor-capacitor (R-L-C) circuit is established to analyze frequency impedance. The impedance magnitude shows significant frequency dependence only below 10GHz and this dispersive behavior is originated from the graphene-metal contact. Above 10 GHz, there is no distinctive change in overall characteristic of impedance due to the absence of the skin effect and low intrinsic kinetic inductance of graphene. These results show that graphene could be a promising candidate for high-speed device application.",

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AU - Jeon, Dae Young

AU - Lee, Kook Joo

AU - Kim, Moonil

AU - Kim, Dong Chul

AU - Chung, Hyun Jong

AU - Woo, Yun Sung

AU - Seo, Sunae

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AB - The radio-frequency (RF) electrical response of monolayer graphene is reported. From the measured S-parameter in the range of 10MHz to 50 GHz, a simple equivalent resistor-inductor-capacitor (R-L-C) circuit is established to analyze frequency impedance. The impedance magnitude shows significant frequency dependence only below 10GHz and this dispersive behavior is originated from the graphene-metal contact. Above 10 GHz, there is no distinctive change in overall characteristic of impedance due to the absence of the skin effect and low intrinsic kinetic inductance of graphene. These results show that graphene could be a promising candidate for high-speed device application.

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Radio-frequency electrical characteristics of single layer graphene

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