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Charges on particles in complex/dusty plasmas

Thomas, Hubertus M. (2022) Charges on particles in complex/dusty plasmas. 759. WE-Heraeus-Seminar / Mesoscopic Triboelectricity - from Patches to Particles to Planets, 17. - 21. Jan. 2022, Bad Honnef. (Unpublished)

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A complex/dusty plasma is an ionized gas containing small solid particles in the range from nanometers to centimeters. Natural dusty plasmas are ubiquitous in space, they can be found in interstellar clouds, Saturn rings, cometary tails, on the Moon and planetary atmospheres. Additionally, dusty plasmas are investigated in the lab where they are called complex plasmas in connection to complex fluids - fluids containing small solid particles. Charging of solid particles in plasmas is a very important and basic process. The continuous interaction of the dust with electrons and ions from the surrounding plasma as well as with UV radiation lead to its charging. Depending on whether electrons and ions are dominant or the UV flux, the charge can be negative or positive, respectively. Due to the continuous collection/release of charged species from the surface the charge fluctuates. In this lecture I will discuss the charging and decharging processes of solid particles in plasmas and the interaction of the particles with the surrounding plasma and with themselves.

Item URL in elib:https://elib.dlr.de/185332/
Document Type:Conference or Workshop Item (Speech)
Title:Charges on particles in complex/dusty plasmas
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Thomas, Hubertus M.UNSPECIFIEDhttps://orcid.org/0000-0001-8358-2023UNSPECIFIED
Date:21 January 2022
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:complex/dusty plasma, charging of particles, plasma
Event Title:759. WE-Heraeus-Seminar / Mesoscopic Triboelectricity - from Patches to Particles to Planets
Event Location:Bad Honnef
Event Type:Other
Event Dates:17. - 21. Jan. 2022
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Materials Research and Microgravity (MuM)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Materials Physics in Space > Research Group Complex Plasma
Deposited By: Thomas, Dr. Hubertus M.
Deposited On:23 Feb 2022 07:56
Last Modified:23 Feb 2022 07:56

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