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Field-electron emission from polyimide-ablated films

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Abstract.

Polyimide-ablated film was deposited by using pulsed laser ablation of a polyimide target, and field-electron emission from the film was observed for the first time. The turn-on field of the polyimide-ablated film is 12 V/μm. The current density is 0.725 mA/cm2, and the emission sites density is on the order of 106/cm2 at the applied field of 24 V/μm. The field-electron emission measurements indicate that this kind of film could be a new cold cathode material. It is suggested that the graphite-like clusters contained in the film play an important role in the field-electron emission.

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Authors and Affiliations

  1. Zhengzhou University of Technology, Zhengzhou 450002, P.R. China, , , , , , CN

    H. Ma & L. Zhang

  2. Physics Department, Zhengzhou University, Zhengzhou 450052, P.R. China, , , , , , CN

    N. Yao, Z. Bi & B. Zhang

  3. Anhui Institute Optical and Fine Mechanical, Chinese Academy of Sciences, Hefei 230031, P.R. China, , , , , , CN

    H. Hu

Authors
  1. H. Ma
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  2. L. Zhang
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  3. N. Yao
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  4. Z. Bi
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  5. B. Zhang
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  6. H. Hu
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Additional information

Received: 2 February 2000 / Accepted: 13 March 2000 / Published online: 9 August 2000

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Ma, H., Zhang, L., Yao, N. et al. Field-electron emission from polyimide-ablated films . Appl Phys A 71, 281–284 (2000). https://doi.org/10.1007/s003390000511

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  • DOI: https://doi.org/10.1007/s003390000511

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