Integrated Logic Circuit Assembled on a Single Carbon Nanotube

Single-walled carbon nanotubes (SWCNTs) have been shown to exhibit excellent electrical properties, such as ballistic transport over several hundred nanometers at room temperature. Field-effect transistors (FETs) made from individual tubes show dc performance specifications rivaling those of state-o...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 2006-03, Vol.311 (5768), p.1735-1735
Main Authors: Chen, Zhihong, Appenzeller, Joerg, Lin, Yu-Ming, Sippel-Oakley, Jennifer, Rinzler, Andrew G, Tang, Jinyao, Wind, Shalom J, Solomon, Paul M, Avouris, Phaedon
Format: Article
Language:English
Subjects:
Applied sciences
Brevia
Carbon
Carbon nanotubes
Circuit properties
Design. Technologies. Operation analysis. Testing
Digital circuits
Electric potential
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
Integrated circuits
Inverters
Molecular electronics, nanoelectronics
Nanotubes
Oscillators
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Spectrum analyzers
Transistors
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Summary:Single-walled carbon nanotubes (SWCNTs) have been shown to exhibit excellent electrical properties, such as ballistic transport over several hundred nanometers at room temperature. Field-effect transistors (FETs) made from individual tubes show dc performance specifications rivaling those of state-of-the-art silicon devices. An important next step is the fabrication of integrated circuits on SWCNTs to study the high-frequency ac capabilities of SWCNTs. We built a five-stage ring oscillator that comprises, in total, 12 FETs side by side along the length of an individual carbon nanotube. A complementary metal-oxide semiconductor-type architecture was achieved by adjusting the gate work functions of the individual p-type and n-type FETs used.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.1122797