Sputtering of sulfur - Experiments and consequences for Io

Details Sputtering of sulfur - Experiments and consequences for Io Sputtering of sulfur - Experiments and consequences for Io

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...70..379s&link_type=abstract

Icarus (ISSN 0019-1035), vol. 70, May 1987, p. 379-382.

Physics

4

Atmospheric Models, Io, Satellite Atmospheres, Sputtering, Sulfur, Atmospheric Physics, Helium Ions, Neutral Atoms, Toruses, Jupiter, Satellites, Io, Sulfur, Sputtering, Experiments, Surface, Laboratory Studies, Sublimation, Plasma Torus, Diagrams, Procedure, Temperature, Erosion

Scientific paper

MeV-energy He beams from a van de Graaff accelerator are used to experimentally assess the problem of sulfur sputtering on Io. It is possible, assuming uniform sulfur coverage and using the inferred ion fluxes together with the experimentally determined sputtering yields, to evaluate the erosion rates and compare them with those expected on the basis of sublimation. While sputtering dominates sublimation in material removal, sputtering cannot be the sole supply of neutral sulfur for the Io torus.

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