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Field emission properties of carbon nanotube pillar arrays patterned directly on metal alloy surfaces

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8 Author(s)
Killian, Jessica L. ; NASA Ames Res. Center, ELORET Corp., Moffett Field, CA ; Niemann, D.L. ; Zuckerman, N. ; Silan, J.
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Carbon nanotube pillar arrays (CPAs) for cold field emission were fabricated using a conventional photolithography process, and the geometry of these arrays was studied and the effect of pillar height on field emission was quantified. Our CPA samples achieved turn-on fields as low as 0.9 V/mum and stable current densities of 10 mA/cm2 at applied field lower than 6V/mum.

Published in:

Vacuum Electronics Conference, 2008. IVEC 2008. IEEE International

Date of Conference:

22-24 April 2008