Microparticles in a Collisional Rf Plasma Sheath under Hypergravity Conditions as Probes for the Electric Field Strength and the Particle Charge
Year: 2011
Type: article
Abstract: We used microparticles under hypergravity conditions, induced by a centrifuge, in order to measure nonintrusively and spatially resolved the electric field strength as well as the particle charge in the collisional rf plasma sheath. The measured electric field strengths demonstrate good agreement with the literature, while the particle charge shows decreasing values towards the electrode. We demonstrate that it is indeed possible to measure these important quantities without changing or disturbing the plasma.
Source: Physical Review Letters
Authors: J. Beckers, T. Ockenga, M. Wolter, W. W. Stoffels, J. van Dijk, H. Kersten, G. M. W. Kroesen
Language: English
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
Funder: Netherlands Space Office
OpenAlex ID: W2136105350