Intrinsic characteristics of transmission line of graphenes at microwave frequencies

被引：30
作者：
Lee, Hee-Jo [1 ,2 ]
Kim, Eunho [3 ]
Yook, Jong-Gwan [4 ]
Jung, Jongwan [1 ,3 ]
机构：
[1] Sejong Univ, Graphene Res Inst, Seoul 143747, South Korea
[2] Yonsei Univ, Sch Mech Engn, Seoul 120749, South Korea
[3] Sejong Univ, Inst Nano & Adv Mat, Seoul 143747, South Korea
[4] Yonsei Univ, Sch Elect & Elect Engn, Seoul 120749, South Korea
来源：
APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 22期
基金：
新加坡国家研究基金会;
关键词：
CONDUCTIVITY;
D O I：
10.1063/1.4722585
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, we have quantitatively evaluated the effective surface conductivity of chemical vapor deposition-grown graphene through a full-wave electromagnetic method and also investigated the intrinsic characteristics of the transmission line (TL) of the graphene at frequency ranging from 0.5 to 40 GHz. According to the simulated data based on the measured S-parameters, the effective conductivity of single- and multi-layer graphene (MLG) was about 4.3 X 10(6) S/m and 1.2 X 10(6) S/m, respectively. Furthermore, we confirm that multi-layer graphene is more suitable for use in transmission lines compared to single-layer graphene in the observed frequency region. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4722585]
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页数：3
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