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Effect of anodization voltage on electron field emission from carbon nanotubes in anodized alumina template

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5 Author(s)
Wisitsoraat, A. ; Nat. Electron. & Comput. Technol. Center, Pathumthani, Thailand ; Phokharatkul, D. ; Komin, K. ; Mongpraneet, S.
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In this work, electron field emission from AAO-CNT structure is studied as a function of anodizing voltage. It is found that the turn-on electric field of AAO-CNTs reduces from 5 V/¿m to 4 V/¿m as anodization voltage increase from 20 to 30 V. On the other hand, CNTs the turn-on electric field of AAO-CNTs increases from 4 V/¿m to 6 V/¿m as anodization voltage increase from 30 to 40 V. SEM and F-N analyses can explain the effect of anodization voltage on field emission from AAO-CNTs based on field screening effect.

Published in:

Nanoelectronics Conference (INEC), 2010 3rd International

Date of Conference:

3-8 Jan. 2010