skip to main content

SciTech ConnectSciTech Connect

Title: Influence of Xe{sub 2}{sup +} ions on the micro-hollow cathode discharge driven by thermionic emission

The influence of Xe{sub 2}{sup +} dimer ions and excited Xe* atoms on the hollow cathode discharge driven by electron thermionic emission is studied using two-dimensional Particle-in-Cell Monte Carlo Collisions modeling. A comparison with the results of two-component (electrons and Xe{sup +} ions) plasma modeling showed that the presence of the Xe{sub 2}{sup +} dimer ions and excited Xe* atoms in the plasma affects the plasma parameters (density, potential, and ion fluxes toward the cathode). The influence of Xe{sub 2}{sup +} ions and Xe* atoms on the plasma sheath parameters, such as thickness and the ion velocity at the sheath edge, is analyzed.
Authors:
 [1] ; ;  [2]
  1. LAPLACE (Laboratoire Plasma et Conversion d'Energie), Universite de Toulouse, UPS, INPT Toulouse, 118 Route de Narbonne, F-31062 Toulouse Cedex 9 (France)
  2. Department of Physics, Technion, 32000 Haifa (Israel)
Publication Date:
OSTI Identifier:
22253121
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 4; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; ATOMS; COLLISIONS; COMPARATIVE EVALUATIONS; DIMERS; ELECTRONS; HOLLOW CATHODES; MONTE CARLO METHOD; PLASMA SHEATH; SIMULATION; THERMIONIC EMISSION; THICKNESS; TWO-DIMENSIONAL CALCULATIONS; XENON IONS