Electromechanical carbon nanotube switches for high-frequency applications.

Electromechanical carbon nanotube switches for high-frequency applications. Research Abstract Details 

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Electromechanical carbon nanotube switches for high-frequency applications. Abstract Text:

Anupama B Kaul,Eric W Wong,Larry Epp,Brian D Hunt,

We describe the fabrication and characterization of a nanoelectromechanical (NEM) switch based on carbon nanotubes. Our NEM structure consists of single-walled nanotubes (SWNTs) suspended over shallow trenches in a SiO(2) layer, with a Nb pull electrode beneath. The nanotube growth is done on-chip using a patterned Fe catalyst and a methane chemical vapor deposition (CVD) process at 850 degrees C. Electrical measurements of these devices show well-defined ON and OFF states as a dc bias up to a few volts is applied between the CNT and the Nb pull electrode. The CNT switches were measured to have speeds that are 3 orders of magnitude higher than MEMS-based electrostatically driven switches, with switching times down to a few nanoseconds, while at the same time requiring pull voltages less than 5 V.

Electromechanical carbon nanotube switches for high-frequency applications. Publishing Authors By Initials

AB Kaul,EW Wong,L Epp,BD Hunt,

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Electromechanical carbon nanotube switches for high-frequency applications. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Nano letters

VOLUME: 6

Page Numbers: 942-7

Journal Abbreviation: Nano Lett.

ISSN: 1530-6984

DAY: 10

MONTH: May

YEAR: 2006

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LANGUAGE: eng

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Grant and Affiliation Information for Electromechanical carbon nanotube switches for high-frequency applications.

AFFILIATION: Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA. anu.kaul@jpl.nasa.gov

Country: United States

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MEDLINETA: Nano Lett

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