Abstract
view Abstract Citations (2) References (4) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Experimental limits on the velocities of sodium atoms sputtered from solid surfaces by hydrogen ions. Stoner, J. O., Jr. Abstract Optical emission at 589.0 nm by sodium atoms sputtered from solid targets by hydrogen molecular ions was observed, and no accompanying broadening or shifts of this line could be detected relative to that from a laboratory lamp. This allowed an upper limit of about 500,000 cm/sec on the mean speed of ejected sodium atoms to be calculated. The results are consistent with the hypothesis that the atomic sodium cloud surrounding Io is produced by this mechanism. Publication: The Astrophysical Journal Pub Date: July 1976 DOI: 10.1086/182198 Bibcode: 1976ApJ...207L.141S Keywords: Atomic Spectra; Hydrogen Ions; Io; Sodium; Sputtering; Extremum Values; Ion Beams; Relativistic Velocity; Spectral Line Width; Lunar and Planetary Exploration full text sources ADS |
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