Critical emission of two-dimensional electrons from a dielectric into vacuum induced by a nanosecond dense electron beam injected in the specimen

D. I. Vaisburd, K. E. Evdokimov

Research output: Contribution to journalArticle

Abstract

A theoretical model has been developed which describes the critical electron emission from a dielectric that is induced by an injected nanosecond-duration electron beam of moderate or high density. A numerical realization of the model has been constructed which describes the principal properties of the emission: the onset of the phenomenon as the density of the charge injected in the specimen reaches a certain value; the delay of the emission pulse relative to the exposure pulse, which may be as long as several tens of nanoseconds; the emission coefficient reaching unity, and the spatial nonuniformity of the emission.

Original languageEnglish
Pages (from-to)844-850
Number of pages7
JournalRussian Physics Journal
Volume51
Issue number8
DOIs
Publication statusPublished - Aug 2008

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electron beams
vacuum
electrons
pulses
nonuniformity
electron emission
unity
coefficients

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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AB - A theoretical model has been developed which describes the critical electron emission from a dielectric that is induced by an injected nanosecond-duration electron beam of moderate or high density. A numerical realization of the model has been constructed which describes the principal properties of the emission: the onset of the phenomenon as the density of the charge injected in the specimen reaches a certain value; the delay of the emission pulse relative to the exposure pulse, which may be as long as several tens of nanoseconds; the emission coefficient reaching unity, and the spatial nonuniformity of the emission.

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