Inductance Properties of In Situ-Grown Horizontally Aligned Carbon Nanotubes

Kinetic inductance is an important property of carbon nanotubes (CNTs) in high-frequency applications. However, disagreements exist in whether the kinetic inductance of CNTs is present in the diffusive transport regime. In this paper, we fabricated the horizontally aligned multiwalled nanotube (MWNT...

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Bibliographic Details
Published in:IEEE transactions on electron devices 2011-01, Vol.58 (1), p.229-235
Main Authors: Minghui Sun, Zhiyong Xiao, Yang Chai, Yuan Li, Chan, P C H
Format: Article
Language:English
Subjects:
Alignment
Applied sciences
Arrays
Carbon nanotube (CNT)
Carbon nanotubes
Cross-disciplinary physics: materials science
rheology
Design. Technologies. Operation analysis. Testing
Diffusion
diffusive transport
Electronics
Exact sciences and technology
Inductance
Inductors
Integrated circuits
interconnect
kinetic inductance
Kinetic theory
Magnetic devices
Materials science
Metals
Multi wall carbon nanotubes
Nanoscale materials and structures: fabrication and characterization
Nanostructure
Nanotubes
Physics
Radio frequency
Resistance
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Substrates
Transport
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Summary:Kinetic inductance is an important property of carbon nanotubes (CNTs) in high-frequency applications. However, disagreements exist in whether the kinetic inductance of CNTs is present in the diffusive transport regime. In this paper, we fabricated the horizontally aligned multiwalled nanotube (MWNT) arrays on silicon substrates and investigated the inductance properties of the MWNT arrays with different lengths using direct current and radio frequency characterizations. The experimental results show that the electron transport in the CNT arrays is diffusive and that the value of the kinetic inductance is proportional to the length of the CNT arrays. We have experimentally validated that the kinetic inductance theory is applicable to CNTs in the diffusive transport regime. This paper could quell the existing disagreements about the kinetic inductance and provide insights to the potential applications of CNTs as interconnects and on-chip inductors.
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2010.2087023