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Ion-stimulated desorption in the medium-energy regime
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.ORCID iD: 0000-0002-0292-224X
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.ORCID iD: 0000-0002-8760-1137
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.

Place, publisher, year, edition, pages
2014. Vol. 53, no 6, 060305- p.
Keyword [en]
Scattering, Interface
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URN: urn:nbn:se:kth:diva-148313DOI: 10.7567/JJAP.53.060305ISI: 000338104600006Scopus ID: 2-s2.0-84903124540OAI: oai:DiVA.org:kth-148313DiVA: diva2:736729
Note

QC 20140808

Available from: 2014-08-08 Created: 2014-08-05 Last updated: 2017-12-05Bibliographically approved

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Linnarsson, MargaretaHallén, Anders

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