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Mechanism of metal cationization in organic SIMS

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Wojciechowski, Igor [Penn State University, USA] Delcorte, Arnaud [UCL] Gonze, Xavier [UCL] Bertrand, Patrick [UCL]

A scenario of metal cationization in which the organic molecule combines with a neutral excited metal atom is proposed. Ionization of the nascent complex occurs via ejection of an electron during the association process. Electron structure calculations for the model systems C6H6+Me (Me=Ag, Cu, Au) using the density functional theory give a strong argument in favor of the proposed mechanism.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2003
Language Anglais
Journal information "Applied Surface Science" - Vol. 203/204, p. 102-105 (2003)
Peer reviewed yes
Publisher Elsevier BV * North-Holland ((Netherlands) Amsterdam)
issn 0169-4332
e-issn 1873-5584
Publication status Publié
Affiliation UCL - FSA/MAPR - Département des sciences des matériaux et des procédés
Links
Bibliographic reference Wojciechowski, Igor ; Delcorte, Arnaud ; Gonze, Xavier ; Bertrand, Patrick. Mechanism of metal cationization in organic SIMS. In: Applied Surface Science, Vol. 203/204, p. 102-105 (2003)
Permanent URL http://hdl.handle.net/2078.1/77737