A COMPARISON OF ELECTRONIC SPUTTERING INDUCED BY MOLECULAR AND ATOMIC IONS
- 1 February 1989
- journal article
- Published by EDP Sciences in Le Journal de Physique Colloques
- Vol. 50 (C2) , C2-15
- https://doi.org/10.1051/jphyscol:1989203
Abstract
Fast 12C2 molecular ions have been produced in the Uppsala tandem accelerator and used in an electronic sputtering experiment designed to compare sputtering yields produced by molecular and atomic primary ions of 0.49 cm/ns. Positive secondary ions of biomolecules sputtered with molecular primary ions are studied for the first time. The experiments show that "vicinage effects" due to sputtering with molecular primary ions vary in strength with the secondary ion species. It is however also demonstrated that the conclusion of the experiment is strongly dependent on the reliability of electronic stopping power data used in the analysisKeywords
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