Coulomb interactions in sharp tip pulsed photo field emitters

Ben Cook, Pieter Kruit

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)
40 Downloads (Pure)

Abstract

Photofield emitters show great potential for many single electron pulsed applications. However, for the brightest pulses > 10 11 A / (m 2 sr V), our simulations show that Poisson statistics and stochastic Coulomb interactions limit the brightness and increase the energy spread even with an average of a single electron per pulse. For the systems, we study we find that the energy spread is probably the limiting factor for most applications.

Original languageEnglish
Article number151901
JournalApplied Physics Letters
Volume109
Issue number15
DOIs
Publication statusPublished - 10 Oct 2016

Keywords

  • Field emitters
  • Poisson's equation
  • Brightness
  • Field emission
  • Schottky barriers

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