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Pulsed rf-Discharge in Zyflex-Chamber

Huber, Peter and Knapek, Christina and Mohr, Daniel P. and Zähringer, Erich and Lipaev, Andrey and Molotkov, Vladimir and Thomas, Hubertus M. and Fortov, Vladimir (2018) Pulsed rf-Discharge in Zyflex-Chamber. 82. Jahrestagung der DPG und DPG-Frühjahrstagung, 04.-19. März 2018, Erlangen, Deutschland. (Unpublished)

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Interrupting rf-discharge is a well known method to control processes in plasmas. For example, in semiconductor processing it can be used to control growth of particles from material out of the plasma phase. By switching off the discharge, ”fog” of grown particles can be driven out of the plasma by gravity. On the other hand, pulsing the plasma gives a good possibility to tune effective electron temperature independently from plasma density. So you could tune interactions in complex plasma systems in a more flexible way. Ekoplasma will provide Plasmalab, the future lab for complex plasma research on the international space station ISS. Together with its large cylindrical chamber Zyflex it will have many features to cover a wide range of physics in complex plasma research. It also includes a multifunctional rf-generator which can be pulsed at different frequencies with on/off times even less than 50 mus. Combining the feature of switching the discharge on and off with micro gravity conditions it will be possible to tune plasma parameters without losing particles due to gravitational forces. In this contribution, we will show frst results of particles levitated in a pulsed gas discharge in the current lab setup of Ekoplasma.

Item URL in elib:https://elib.dlr.de/119375/
Document Type:Conference or Workshop Item (Speech)
Title:Pulsed rf-Discharge in Zyflex-Chamber
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Huber, Peterp.huber (at) dlr.deUNSPECIFIED
Knapek, ChristinaChristina.Knapek (at) dlr.deUNSPECIFIED
Mohr, Daniel P.daniel.mohr (at) dlr.deUNSPECIFIED
Zähringer, Ericherich.zaehringer (at) dlr.deUNSPECIFIED
Lipaev, AndreyJoint Institute for High Temperatures, RAS, MoscowUNSPECIFIED
Molotkov, VladimirJoint Institute for High Temperatures, RAS, MoscowUNSPECIFIED
Thomas, Hubertus M.Hubertus.Thomas (at) dlr.dehttps://orcid.org/0000-0001-8358-2023
Fortov, VladimirJoint Institute for High Temperatures, RAS, MoscowUNSPECIFIED
Date:8 March 2018
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Plasma, ISS, Schwerelosigkeit, Komplexes Plasma, Staub, RF
Event Title:82. Jahrestagung der DPG und DPG-Frühjahrstagung
Event Location:Erlangen, Deutschland
Event Type:international Conference
Event Dates:04.-19. März 2018
Organizer:Deutsche Physikalische Gesellschaft e.V.
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 - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Komplexe Plasmen / Zero gravity
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Materials Physics in Space > Research Group Complex Plasma
Deposited By: Huber, Peter
Deposited On:13 Aug 2018 08:16
Last Modified:28 Mar 2019 08:59

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