Erroneous evaluation of electron and ion temperatures from a contaminated retarding potential trap

Oyama Koichiro, Hirao Kunio

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Contaminated electrode effects of a retarding potential trap on the temperature measurement are investigated in laboratory plasma. It is shown that poorly conductive layers on the electrode surface modify the v-i curves. This contamination effect of RPT electrode can be overcome either by increasing the sweep-rate of the grid potential or by the use of a large effective sheath resistance.

Original languageEnglish
Pages (from-to)1309-1312
Number of pages4
JournalPlanetary and Space Science
Volume23
Issue number9
DOIs
Publication statusPublished - 1975 Jan 1

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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