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Design Optimization of Field Emission From A Stacked Carbon Nanotube Array

Mahapatra, Roy D and Sinha, N and Anand, SV and Krishnan, R and Vikram, NV and Melnik, RVN and Yeow, JTW (2008) Design Optimization of Field Emission From A Stacked Carbon Nanotube Array. In: Nanotechnology Conference and Trade Show, JUN 01-05, 2008, Boston.

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Fluctuation of field emission in carbon nanotubes (CNTs) is riot desirable in many applications and the design of biomedical x-ray devices is one of them. In these applications, it is of great importance to have precise control of electron beams over multiple spatio-temporal scales. In this paper, a new design is proposed in order to optimize the field emission performance of CNT arrays. A diode configuration is used for analysis, where arrays of CNTs act as cathode. The results indicate that the linear height distribution of CNTs, as proposed in this study, shows more stable performance than the conventionally used unifrom distribution.

Item Type: Conference Paper
Publisher: CRC Press-Taylor & Francis Group
Additional Information: Copyright of this article belongs to CRC Press-Taylor & Francis Group.
Keywords: carbon nanotube;field emission;electron-phonon;array;optimization.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 11 Mar 2010 07:06
Last Modified: 12 Mar 2010 05:01
URI: http://eprints.iisc.ac.in/id/eprint/26099

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