A Particle-in-Cell/Monte Carlo Model of the Ar+ Ion Collection in He Gas by a Cylindrical langmuir Probe in the Transition Regime (Articolo in rivista)

Type
Label
  • A Particle-in-Cell/Monte Carlo Model of the Ar+ Ion Collection in He Gas by a Cylindrical langmuir Probe in the Transition Regime (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • F. Taccogna; S. Longo; M. Capitelli (2003)
    A Particle-in-Cell/Monte Carlo Model of the Ar+ Ion Collection in He Gas by a Cylindrical langmuir Probe in the Transition Regime
    in The European physical journal. Applied physics (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F. Taccogna; S. Longo; M. Capitelli (literal)
Pagina inizio
  • 29 (literal)
Pagina fine
  • 39 (literal)
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  • 22 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Chimica dell'Università and IMIP-CNR, sect. Bari (literal)
Titolo
  • A Particle-in-Cell/Monte Carlo Model of the Ar+ Ion Collection in He Gas by a Cylindrical langmuir Probe in the Transition Regime (literal)
Abstract
  • This article presents a particle-in-cell (PIC)/test-particle Monte Carlo (TPMC) simulation of the dynamics of Ar+ ions in the region (sheath and presheath) surrounding an attracting cylindrical Langmuir probe at medium He buffer gas pressure. The numerical model is based on a combination of PIC simulation for the ion component and fluid description for the electrons using the Boltzmann relation. The electric field is self-consistently computed via the Poisson equation. The neutrals are modeled directly by an analytical method. The elastic collisions between Ar+ ions and He atoms are accounted for using a TPMC method based on the polarization potential theory. The results of the present simulation are compared with measurements, with other probe theories and the results of other authors simulations. (literal)
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