Charging of an irregularly shaped particle in the sheath of an rf plasma

Autor:	Hendrik Jung, Alexander Piel, Oguz Han Asnaz, Franko Greiner
Rok vydání:	2018
Předmět:	Physics Plasma Condensed Matter Physics 01 natural sciences Resonance (particle physics) Molecular physics 010305 fluids & plasmas Molecular dynamics Complex geometry 0103 physical sciences Microscopy Particle Plasma diagnostics Radio frequency 010306 general physics
Zdroj:	Physics of Plasmas. 25:073702
ISSN:	1089-7674 1070-664X
DOI:	10.1063/1.5038183
Popis:	The charging process of micrometer-sized irregularly shaped particles in the sheath of a radio frequency discharge is measured using a combination of long-distance microscopy and the phase-resolved resonance method. The applicability of the method is shown for a cylindrical zinc oxide particle by measuring its mass density. A particle with more complex geometry is compared to a spherical polymethyl methacrylate particle to investigate the charging of irregularly shaped particles in detail. The results are similar to the charging of the smallest enclosing sphere suggesting that the charging process is independent of the shape of the particle. Furthermore, molecular dynamics simulations were performed, which support the experimental results.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c914848d9023c8507b54b748a496fa66 https://doi.org/10.1063/1.5038183 Zobrazit plný text záznamu