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Ion-stimulated desorption in the medium-energy regime
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
2014 (English)In: Japanese Journal of Applied Physics, ISSN 0021-4922, E-ISSN 1347-4065, Vol. 53, no 6, 060305- p.Article in journal (Refereed) Published
Abstract [en]

Ion-stimulated desorption in the medium-energy regime is investigated using a hydrogen rich Li2O sample. The desorbed yield dependencies for H+ and Li+ on incident ion species H-1(+) and He-4(+) in a medium energy regime are measured. For the mechanism of desorption it is considered that an inner shell electron vacancy is generated in oxygen atoms of the target by the ion impact. This inner shell vacant state is then filled by Auger transition of an electron from surrounding H or Li atoms. The resulting coulomb repulsion between H+ or Li+ and O+ leads to ejection of H+ or Li+ from the surface. (C) 2014 The Japan Society of Applied Physics

Place, publisher, year, edition, pages
2014. Vol. 53, no 6, 060305- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-229461DOI: 10.7567/JJAP.53.060305ISI: 000338104600006OAI: oai:DiVA.org:uu-229461DiVA: diva2:736604
Available from: 2014-08-07 Created: 2014-08-07 Last updated: 2017-12-05Bibliographically approved

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Primetzhofer, Daniel

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