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Sondenmessung der Plasmaparameter und deren Fluktuation in Argon‐Niederdruck‐Schwachstrom‐Säulen im transversalen Magnetfeld
Author(s) -
Ose E.,
Rothhardt L.
Publication year - 1975
Publication title -
beiträge aus der plasmaphysik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0005-8025
DOI - 10.1002/ctpp.19750150603
Subject(s) - argon , ion , atomic physics , chemistry , magnetic field , electron , saturation (graph theory) , intensity (physics) , electron temperature , physics , condensed matter physics , optics , nuclear physics , quantum mechanics , mathematics , organic chemistry , combinatorics
This paper reports on measurements of probe noise and double probe characteristics in argon‐low‐pressure low‐current discharges under the influence of a local transversal magnetic field. Above a critical value of magnetic field intensity B c there are no moving striations but partially correlated fluctuations. The space distribution of probe noise (ion saturation current and floating potential) and the measured values of electron temperature and density are discussed. At B c a characteristic value of electron temperature T e,c ≈ 1,4 eV independent of filling pressure has been found. A first opinion on the character of the fluctuations is given.