Implications of Heavy-Ion-Induced Satellite X-Ray Emission. III. Chemical Effects in High Resolution Sulfur K/sub alpha / X-Ray Spectra

摘要

High resolution (approx. 7 eV at 2.3 keV) sulfur K/sub alpha / x-ray spectra have been obtained for a series of sulfur compound targets under heavy ion impact at the Holified Heavy Ion Facility. The spectra observed are dominated by a series of satellite peaks arising from varying degrees of L-shell ionization at the time of x-ray emission. Each spectral profile has been parameterized by a single variable p/sub L/, the apparent average L-shell ionization probability. Correlations are evident between p/sub L/ and the corresponding sulfur atom chemical environment. Much stronger correlations are however found for variations of some individual peak intensities with specific chemical parameters. Comparison of results for Ar/sup q+/ and Kr/sup q+/ projectiles shows that while L-shell ionization probability has increased, chemical sensitivity has apparently saturated. (ERA citation 08:050119)