Field Emission Properties of a Potassium-Doped MultiWalled Carbon Nanotube Tip : Surfaces, Interfaces, and Films

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概要

• 論文の詳細を見る

• The field emission properties of a single closed multiwalled carbon nanotube tip were investigated before and after doping with potassium. The threshold voltage was significantly reduced from 143V to 76V, but the emitter degraded in about 4min. The current-voltage measurements fit the Fowler-Nordheim equation well up to about 100nA of emission current. Additionally the work function of the multiwalled carbon nanotube tip could be estimated as being about 5.3eV.

• 社団法人応用物理学会の論文
• 2001-08-15

著者

• Li P

  Peking Univ. Beijing Chn

• Cao Jien

  Department Of Physics Tsinghua University

• Fan Shoushan

  Department Of Physics Tsinghua University

• Li Peng

  Department Of Biochemistry And Molecular Biology Hanyang University & Genocheck Co. Ltd.

• HU Binhui

  Department of Physics, Tsinghua University

• DAI Hongiie

  Department of Chemistry, Stanford University

• Dai Hongiie

  Department Of Chemistry Stanford University

• Hu B

  National Univ. Singapore Singapore

• Fan Shoushan

  Department of Physics and Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, P. R. China

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