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Estimation of the Current Density in Cathode Arc Spots
Author(s) -
Hantzsche E.
Publication year - 1985
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.19850250506
Subject(s) - cathode , arc (geometry) , current (fluid) , spots , current density , materials science , computational physics , analytical chemistry (journal) , chemistry , physics , mathematics , thermodynamics , geometry , chromatography , quantum mechanics
Probable values of the (averaged) current density j in cathode arc spots are calculated using simple physical models of relevant processes. From six independent estimations results (in case of clean copper cathodes): j =(10 ± 5) · 10 7 A/cm 2 , possibly somewhat more.