Production and detection of hydrated cluster ions in laboratory plasma mimicking ionospheric D region

H. S.S. Sinha, Y. Tokuyama, K. I. Oyama, S. Watanabe

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

A mixture of NO and water vapor was ionized inside a chamber using an EUV source to produce cluster ions. Ion-cluster formation started within a minute but the time for attaining peak concentration for different ions varied from 1 min to 40 min. New findings here are (a) the detection of higher order clusters of proton and NO+ hydrates (109+, 127+ and 102+) and (b) that the concentration of most of the hydrated ions showed oscillatory behavior. Other positive ions detected were 33+, 54+, 66+, 71+, 76+, 83+, 86+, 93+, 94+, 112+, 117+, 131+ (with high concentration) and 19+, 29+ and 37+ (with low concentrations). Effect of lower and upper thresholds of chamber pressure, for the production of cluster ions was observed. These pressure thresholds correspond to an altitude range of 50 to 100 km in the ionosphere, where cluster ions have been observed.

原文English
頁(從 - 到)L13802 1-5
期刊Geophysical Research Letters
31
發行號13
DOIs
出版狀態Published - 2004 七月 16

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

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