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Studying the field emission cathode–gate structure based on carbon nanotubes for electron-optical systems with a sheet beam

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Abstract

Results of studying the cathode–gate structure based on carbon nanotubes (CNTs) are presented. Experimental samples of a matrix field emission cathode–gate structure based on a vertical array of CNTs with a cell diameter of 1 μm and microstructure period of 5 μm have been manufactured. Based on experimental data, an electron-optical system with a ribbon-type field emission CNT based cathode with a linear convergence of 6.25 and beam-current density of 4.46 A/cm2 has been proposed. Results of modeling a sheet 0.16-mm-thick electron beam formed by an electron gun with a CNT cathode demonstrated the possibility to obtain a low-perveance flow with a small deformation in the 0.3 × 0.8-mm beam tunnel of a slow wave 25-mm-long structure.

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Authors and Affiliations

  1. ALMAZ Research and Production Enterprise, Saratov, 410033, Russia

    A. A. Burtsev, Yu. A. Grigor’ev, A. V. Danilushkin & K. V. Shumikhin

  2. Institute of Nanotechnologies in Microelectronics, Russian Academy of Sciences, Moscow, 119991, Russia

    A. A. Pavlov & E. P. Kitsyuk

Authors
  1. A. A. Burtsev
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  2. A. A. Pavlov
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  3. E. P. Kitsyuk
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  4. Yu. A. Grigor’ev
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  5. A. V. Danilushkin
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  6. K. V. Shumikhin
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Corresponding author

Correspondence to A. A. Burtsev.

Additional information

Original Russian Text © A.A. Burtsev, A.A. Pavlov, E.P. Kitsyuk, Yu.A. Grigor’ev, A.V. Danilushkin, K.V. Shumikhin, 2017, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2017, Vol. 43, No. 11, pp. 88–94.

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Burtsev, A.A., Pavlov, A.A., Kitsyuk, E.P. et al. Studying the field emission cathode–gate structure based on carbon nanotubes for electron-optical systems with a sheet beam. Tech. Phys. Lett. 43, 542–544 (2017). https://doi.org/10.1134/S1063785017060062

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  • DOI: https://doi.org/10.1134/S1063785017060062

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