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Stabilization of Field- and Photoemission of a Planar Structure with a Nanosized Diamond-Like Carbon Film

  • A. N. YakuninEmail author
  • N. P. Aban’shin
  • Yu. A. Avetisyan
  • G. G. Akchurin
  • G. G. Akchurin
  • A. P. Loginov
  • S. P. Morev
  • D. S. Mosiyash
ELECTRON AND ION EMISSION
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Abstract

Effects that may provide an increase in the stability of field emission and tunneling photoemission of a planar blade structure using an emitter that is covered with nanosized dielectric diamond-like carbon (DLC) film are analyzed. A model of specific features of the distributed zone of the field localization on the DLC surface in the structure (zone with a smooth peak of electric field) is constructed and the corresponding theoretical analysis is performed. It is shown that the DLC film with a thickness of 20 nm on a molybdenum blade (Mo blade) provides an increase in the area of the emission region by a factor of 15 in comparison with the area corresponding to the Mo blade without coating. The working time of the emission structure with the DLC film is increased by a factor of greater than 50 (to 8700 h) for the regime of long pulses (320 μs) with a relative interpulse period of 10 and the mean current density of the field emission of no less than 30 mA/cm2. An increase in the sensitivity of the structure with the DLC film is demonstrated.

Notes

ACKNOWLEDGMENTS

This work was supported by the Russian Science Foundation (project no. 16-19-10455).

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Copyright information

© Pleiades Publishing, Inc. 2019

Authors and Affiliations

  • A. N. Yakunin
    • 1
    Email author
  • N. P. Aban’shin
    • 1
    • 2
  • Yu. A. Avetisyan
    • 1
  • G. G. Akchurin
    • 1
    • 3
  • G. G. Akchurin
    • 1
    • 3
  • A. P. Loginov
    • 2
  • S. P. Morev
    • 4
    • 5
  • D. S. Mosiyash
    • 2
  1. 1.Institute of Precision Mechanics and Control, Russian Academy of ScienceSaratovRussia
  2. 2.“Volga–Svet” CompanySaratovRussia
  3. 3.Chernyshevskii National Research State UniversitySaratovRussia
  4. 4.Scientific Industrial Enterprise “Torii”MoscowRussia
  5. 5.National Research Nuclear University MEPhIMoscowRussia

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