DISSOCIATIVE SCATTERING OF FAST H-2 AND N-2 FROM PT(111) UNDER GLANCING ANGLES OF INCIDENCE

Autor(en): NESBITT, A
HARDER, R
SNOWDON, KJ
Stichwörter: Chemistry; Chemistry, Physical; COMPUTER SIMULATIONS; CU(111); ENERGY DISSIPATION; HYDROGEN; LOW INDEX SINGLE CRYSTAL SURFACES; MOLECULE-SOLID SCATTERING AND DIFFRACTION-INELASTIC; NITROGEN; Physics; Physics, Condensed Matter; PLATINUM
Erscheinungsdatum: 1995
Herausgeber: ELSEVIER SCIENCE BV
Journal: SURFACE SCIENCE
Volumen: 331
Ausgabe: A
Startseite: 321
Seitenende: 326
Zusammenfassung: 
We have scattered fast beams of neutral H-2 and N-2 molecules from Pt(111) under glancing angles of incidence. By directly measuring the relative velocity of the dissociation fragments of those molecules which dissociatively scatter, we obtain distributions of the kinetic energy in the centre of mass of the fragments as a function of the final orientation of the internuclear coordinate. The distributions are qualitatively similar to those obtained earlier for H-2 and N-2 scattering from Cu(111) [Surf. Sci. 307-309 (1994) 147]. The results are consistent with a dissociative scattering mechanism involving multiple Franck-Condon transitions between electronic states of the molecule-metal system.
Beschreibung: 
14th European Conference on Surface Science (ECOSS-14), LEIPZIG, GERMANY, SEP 19-23, 1994
ISSN: 00396028
DOI: 10.1016/0039-6028(95)00263-4

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