Electron Field Emission Resulting from High-Density Breakdown Sites on Amorphous Carbon-Polyimide Composite Films

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概要

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• Amorphous carbon-polyimide composite films (a-C:P) were prepared by laser ablation using a 266 nm wavelength fourth-harmonic YAG laser. A rotating target for deposition composed of half a pyrolytic graphite tape and half a 0.12 mm thick polyimide sheet. A high-density breakdown site of 〜10^6/cm^2 was obtained while field emission experiments were performed on the a-C:P films. After breakdown, the turn-on field decreased and the total emission current increased. Permanent breakdown sites with crater-like structures were formed on a large breakdown area of 0.3 cm^2 due to a quasi-explosion process. A mean emission site density of 10^5/cm^2 on some breakdown regions was obtained. The crater structure was found to be a potential candidate for emitting electrons with a low turn-on field of 4 V/μm.

• 社団法人応用物理学会の論文
• 1998-05-01

著者

• Gong Zheng

  Department Of Electrical Engineering University Of South Carolina

• Zhang Binglin

  Henan Fundamental And Applied Science Institute And Physics Department Zhengzhou University

• Zhao Gang

  Department Of Electrical Engineering University Of South Carolina

• LI Yunjun

  Henan Fundamental and Applied Science Institute and Physics Department Zhengzhou University

• YAO Ning

  Henan Fundamental and Applied Science Institute and Physics Department Zhengzhou University

• ZHAO Gang

  Henan Fundamental and Applied Science Institute and Physics Department Zhengzhou University

• HE Jintian

  Henan Fundamental and Applied Science Institute and Physics Department Zhengzhou University

• GONG Zhiben

  Anhui Optics and Fine Mechanics Institute, The Chinese Academy of Science

• Li Yunjun

  Henan Fundamental And Applied Science Institute And Physics Department Zhengzhou University:anhui Op

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• Electron Field Emission Resulting from High-Density Breakdown Sites on Amorphous Carbon-Polyimide Composite Films
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