Coulomb interactions in sharp tip pulsed photo field emitters

Ben Cook; Pieter Kruit

doi:10.1063/1.4963783

Coulomb interactions in sharp tip pulsed photo field emitters

Ben Cook, Pieter Kruit

Research output: Contribution to journal › Article › Scientific › peer-review

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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 language	English
Article number	151901
Journal	Applied Physics Letters
Volume	109
Issue number	15
DOIs	https://doi.org/10.1063/1.4963783
Publication status	Published - 10 Oct 2016

Keywords

Field emitters
Poisson's equation
Brightness
Field emission
Schottky barriers

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10.1063/1.4963783

1.4963783Final published version, 793 KBLicence: CC BY

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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.",

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AB - 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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KW - Brightness

KW - Field emission

KW - Schottky barriers

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Coulomb interactions in sharp tip pulsed photo field emitters

Abstract

Keywords

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