Electrical performance of carbon nanotube-polymer composites at frequencies up to 220 GHz

被引：14

作者：

Alshehri, Ali H. ^{[1
]}

Jakubowska, Malgorzata ^{[2
]}

Sloma, Marcin ^{[2
]}

Horaczek, Michal ^{[2
]}

Rudka, Diana ^{[2
]}

Free, Charles ^{[1
]}

Carey, J. David ^{[1
]}

机构：

[1] Univ Surrey, Adv Technol Inst, Guildford GU2 7XH, Surrey, England

[2] Warsaw Univ Technol, Fac Mechatron, Warsaw, Poland

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 15期

关键词：

CIRCUIT;

D O I：

10.1063/1.3651278

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have measured the sub-THz electrical response of screen printed carbon nanotube-poly(methyl methacrylate) polymer composites up to 220 GHz, The measured electrical losses using mm long coplanar waveguide geometries averaged as low as 0.15 dB/mm in the frequency range 40 GHz-110 GHz and showed a reduction in signal loss with increasing frequency; a behaviour opposite to that found in conventional metallic conductors. Between 140 and 220 GHz, the electrical losses averaged 0.28 dB/mm. We show that the low electrical losses are associated with the capacitive coupling between the nanotubes and discuss potential high frequency applications. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3651278]

引用

页数：3

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