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The Influence of Collisions in the Space Charge Sheath on the Ion current Collected by a Langmuir Probe

✍ Scribed by P. Spanel; D. Smith; O. Chudacek; P. Kudrna; M. Tichy


Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
775 KB
Volume
35
Category
Article
ISSN
0005-8025

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## Abstract We have carried out Monte Carlo simulation of the motion of Ar^+^ ions in the space charge sheath surrounding a cylindrical Langmuir probe. From these simulations the percentage of ions crossing the sheath boundary that are collected by the probe have been determined and thus the ion cu

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## Abstract A numerical study is made of the dynamics of Ar^+^ ions collected by a 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.