Stable Field Emission Property of Patterned MgO Coated Carbon Nanotube Arrays
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概要
- 論文の詳細を見る
Aligned carbon nanotubes (CNTs) in a specific pattern were synthesized by catalytic thermal chemical vapor deposition (CVD) technique. The carbon nanotubes were then coated with MgO layer of different thicknesses to improve the field emission property. Field emission with high stability and low turn-on voltage of about 116 V was observed for the aligned nanotubes coated with a MgO layer of thickness 10 nm compared to that of uncoated CNTs. The current fluctuation for 8 h was found to be as low as 9% for MgO (10 nm) coated nanotubes. The field emission image indicated a very uniform emission from the whole area of the deposited CNTs on the substrate for the 10-nm-MgO-coated CNTs.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2007-07-15
著者
-
Pan Lujun
Department Of Physics And Electronics Osaka Prefecture University
-
Nakayama Yoshikazu
Department Of Electrical Engineering College Of Engineering University Of Osaka
-
Hokushin Shogo
Department Of Physics And Electronics Osaka Prefecture University
-
Tanaka Hiroyoshi
Department Of Anesthesiology Toride Kyodo General Hospital Toride City
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Nakayama Yoshikazu
Department of Mechanical Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Chakrabarti Supriya
Department of Physics and Electronics, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai 599-8531, Japan
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