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Statistical dispersion of the field emission parameters of multipoint cathodes based on a polymer-carbon nanotube composite

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Abstract

Statistical properties of the characteristics of a field-electron emitter based on a polystyrene-carbon nanotube composite have been studied. Experimental data have been used to plot the slope versus intercept of I-U curve in the Fowler-Nordheim coordinates and a histogram of the effective heights of emission centers. Numerical estimations show that this statistics obeys the lognormal distribution law. A series of experiments have been performed for determining the influence of the level of emission current on the character of distribution, and a model describing this dependence is proposed.

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Authors and Affiliations

  1. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    A. G. Kolosko, E. O. Popov, S. V. Filippov & P. A. Romanov

Authors
  1. A. G. Kolosko
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  2. E. O. Popov
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  3. S. V. Filippov
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  4. P. A. Romanov
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Corresponding author

Correspondence to E. O. Popov.

Additional information

Original Russian Text © A.G. Kolosko, E.O. Popov, S.V. Filippov, P.A. Romanov, 2014, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 40, No. 10, pp. 65–72.

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Kolosko, A.G., Popov, E.O., Filippov, S.V. et al. Statistical dispersion of the field emission parameters of multipoint cathodes based on a polymer-carbon nanotube composite. Tech. Phys. Lett. 40, 438–441 (2014). https://doi.org/10.1134/S1063785014050198

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  • DOI: https://doi.org/10.1134/S1063785014050198

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