journal article·2018-08-01Open access

Millimeter wave (220 GHz–330 GHz) characterizations of carbon nanotube films

Hai-Peng Fu, Chuang Yang, Kai-Xue Ma, Hui Huang, Jian-Guo Ma, Ya-Li Li, Yan-Ru Kang, Jun-Xiao Ma, Xiang-Dong Huang

AIP Advances· Volume 8· Issue 8

Abstract

A carbon nanotube (CNT) film on a substrate is characterized at millimeter waves (220 GHz−330 GHz) by metal rectangular waveguide scattering parameters (S-parameters) measurements. The anisotropy of the CNT film is investigated for different orientations of the on-substrate CNT film. The standard Nicolson–Ross–Weir (NRW) approach has been adopted to extract the complex permittivity (εr=ε′-jε″) and permeability (μr=μ′-jμ″) of the on-substrate CNT film from the measured S-parameters. The effective medium theory is then applied to remove the impact of the substrate and characterize the intrinsic CNT film. The observed frequency independent and anisotropic behaviors of the CNT film are very promising indicators that this material could be invaluable for a range of millimeter-wave applications.
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Research context

OpenAlex topics: Microwave and Dielectric Measurement Techniques · Electromagnetic wave absorption materials · Microwave Engineering and Waveguides

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, School of Microelectronics, Tianjin University 1 , Tianjin 300072, China

Qingdao Key Laboratory of Ocean Perception and Information Transmission 2 , Qingdao 266200, China

Xinchen Technologies Co., Ltd. 3 , Beijing 100029, China

School of Computers, Guangdong University of Technology 4 , Guangzhou 510006, China

Key Laboratory of Advanced Ceramics and Machining Technology, Ministry of Education, School of Materials Science and Engineering, Tianjin University 5 , Tianjin 300072, China

Institution of Telecommunication Satellite, China Academy of Space Technology 6 , Beijing 100094, China

School of Electrical and Information Engineering, Tianjin University 7 , Tianjin 300072, China

Funding

AoShan Talents Cultivation Program Supported by Qingdao National Laboratory for Marine Science and Technology · National Key R&D Program of China · National Natural Science Foundation of China

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