Formation of Secondary Thin Carbon Nanotubes on Thick Ones and Improvement in Field-Emission Uniformity
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概要
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The formation of many carbon nanotube (CNT) tips with small diameters on the surface of thick CNTs was investigated to improve the field-emission uniformity of a CNT emitter. A CNT layer was first grown on a metal substrate by thermal-chemical vapor deposition (CVD). CNTs in the layer were multiwalled nanotubes with diameters of 30–50 nm and formed a weblike network structure. A metal catalyst, iron, was then vacuum-deposited on the CNT layer, and secondary thin CNTs with diameters of 5–10 nm were formed from the catalyst particles attached to the surface of primary CNTs by thermal-CVD. The field emission from the CNT layer with the secondary CNTs showed an improvement in emission current distribution uniformity.
- 2006-06-15
著者
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Saito Yahachi
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Yamada Hiromu
Noritake Co. Ltd.
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Shimoda Hideo
Noritake Co. Ltd.
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KURACHI Hiroyuki
Noritake Co. Ltd.
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UEMURA Sashiro
Noritake Co. Ltd.
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YOTANI Junko
Noritake Co. Ltd.
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NAGASAKO Takeshi
Noritake Co. Ltd.
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EZAKI Tomotaka
Noritake Co. Ltd.
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MAESOBA Tsuyoshi
Noritake Co. Ltd.
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NAKAO Takehiro
Noritake Co. Ltd.
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ITO Masaaki
Noritake Co. Ltd.
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SAKURAI Akira
Noritake Co. Ltd.
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Shinohara Hisanori
Department Of Cardiology And Clinical Research
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Kurachi Hiroyuki
Noritake Co., Ltd., 728-23 Tsumura-cho, Ise, Mie 516-1103, Japan
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Yamada Hiromu
Noritake Co., Ltd., 728-23 Tsumura-cho, Ise, Mie 516-1103, Japan
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Saito Yahachi
Department of Quantum Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
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Shinohara Hisanori
Department of Chemistry, Institute for Advanced Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
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Nakao Takehiro
Noritake Co., Ltd., 728-23 Tsumura-cho, Ise, Mie 516-1103, Japan
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Nagasako Takeshi
Noritake Co., Ltd., 728-23 Tsumura-cho, Ise, Mie 516-1103, Japan
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Yotani Junko
Noritake Co., Ltd., 728-23 Tsumura-cho, Ise, Mie 516-1103, Japan
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Sakurai Akira
Noritake Co., Ltd., 728-23 Tsumura-cho, Ise, Mie 516-1103, Japan
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