The Plasmakristall-4 (PK-4) experiment is used for experiments under microgravity conditions with dusty plasmas on the International Space Station. The experiment PK-4BU is based on a similar experimental concept but offers the possibility of modifications to the device to gain crucial information on the influence of several parameters on the experiment. Within this work, electrostatic probe and spectroscopy measurements have been taken within the PK-4BU experiment to determine electron temperature Te, electron density ne, and plasma potential φ as well as to gain information about the composition of the background gas. It has been found that the discharge parameters are similar to results from comparable devices, while a small influence of impurities within the working gas cannot be neglected.
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August 2020
Research Article|
August 10 2020
Discharge parameters of PlasmaKristall-4BU: A modifiable dusty plasma experiment
J. Schmidt
;
J. Schmidt
a)
Center for Astrophysics, Space Physics and Engineering Research (CASPER), Baylor University
, 100 Research Pkwy, Waco, Texas 76704, USA
a)Also at: Institute for Space Systems, University of Stuttgart, Pfaffenwaldring 29, 70569 Stuttgart. Author to whom correspondence should be addressed: Jens_Schmidt@baylor.edu
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T. W. Hyde
T. W. Hyde
b)
Center for Astrophysics, Space Physics and Engineering Research (CASPER), Baylor University
, 100 Research Pkwy, Waco, Texas 76704, USA
Search for other works by this author on:
a)Also at: Institute for Space Systems, University of Stuttgart, Pfaffenwaldring 29, 70569 Stuttgart. Author to whom correspondence should be addressed: Jens_Schmidt@baylor.edu
b)
Electronic mail: Truell_Hyde@baylor.edu
Rev. Sci. Instrum. 91, 083506 (2020)
Article history
Received:
February 19 2020
Accepted:
July 24 2020
Citation
J. Schmidt, T. W. Hyde; Discharge parameters of PlasmaKristall-4BU: A modifiable dusty plasma experiment. Rev. Sci. Instrum. 1 August 2020; 91 (8): 083506. https://doi.org/10.1063/5.0005325
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