3D modeling of the electron energy distribution function in negative hydrogen ion sources

R. Terasaki, I. Fujino, Akiyoshi Hatayama, T. Mizuno, T. Inoue

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

For optimization and accurate prediction of the amount of H-ion production in negative ion sources, analysis of electron energy distribution function (EEDF) is necessary. We are developing a numerical code which analyzes EEDF in the tandem-type arc-discharge source. It is a three-dimensional Monte Carlo simulation code with realistic geometry and magnetic configuration. Coulomb collision between electrons is treated with the "binary collision" model and collisions with hydrogen species are treated with the "null-collision" method. We applied this code to the analysis of the JAEA 10 A negative ion source. The numerical result shows that the obtained EEDF is in good agreement with experimental results.

Original languageEnglish
Article number02A703
JournalReview of Scientific Instruments
Volume81
Issue number2
DOIs
Publication statusPublished - 2010

Fingerprint

Ion sources
hydrogen ions
negative ions
ion sources
Distribution functions
energy distribution
distribution functions
electron energy
Hydrogen
collisions
Electrons
Coulomb collisions
Negative ions
arc discharges
optimization
hydrogen
geometry
configurations
predictions
Geometry

ASJC Scopus subject areas

  • Instrumentation

Cite this

3D modeling of the electron energy distribution function in negative hydrogen ion sources. / Terasaki, R.; Fujino, I.; Hatayama, Akiyoshi; Mizuno, T.; Inoue, T.

In: Review of Scientific Instruments, Vol. 81, No. 2, 02A703, 2010.

Research output: Contribution to journalArticle

Terasaki, R. ; Fujino, I. ; Hatayama, Akiyoshi ; Mizuno, T. ; Inoue, T. / 3D modeling of the electron energy distribution function in negative hydrogen ion sources. In: Review of Scientific Instruments. 2010 ; Vol. 81, No. 2.
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