Coulomb interactions in sharp tip pulsed photo field emitters | Zendy

B. Cook | Zendy; P. Kruit | Zendy

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Coulomb interactions in sharp tip pulsed photo field emitters

Author(s) -

B. Cook,

P. Kruit

Publication year - 2016

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4963783

Subject(s) - coulomb , physics , electron , brightness , limiting , limit (mathematics) , atomic physics , pulse (music) , electric field , field (mathematics) , poisson distribution , energy (signal processing) , computational physics , optics , quantum mechanics , voltage , mechanical engineering , mathematical analysis , statistics , mathematics , engineering , pure mathematics

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.

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