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ILCPA > Volume 7 > Molecule Dissociation at the Fe3O4 (001) Surface
Molecule Dissociation at the Fe<sub>3</sub>O<sub>4</sub> (001) Surface
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Molecule Dissociation at the Fe3O4 (001) Surface

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Abstract:

The molecular dissociation at the single-crystalline Fe3O4 (001) surface has been investigated using the diatomic H+2, D+2 and N+2 molecules in the energy range of 3-8 keV and in the temperature range of 90-300 K. The single collision of ions released from dissociation with the surface atoms was observed only for the N2+ molecules. The detail analysis confirmed that for the light molecules such as H2+ and D2+ the charge-transfer process dominate the interaction of a molecule with the magnetite surface. A large change in the scattered ion yields around the Verwey phase transition temperature was observed indicating a strong correlation between the molecule dissociation and the electronic state of the magnetite surface.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 7)
Pages:
1-10
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.7.1
Citation:
N.T.H. Kim-Ngan et al., "Molecule Dissociation at the Fe3O4 (001) Surface", International Letters of Chemistry, Physics and Astronomy, Vol. 7, pp. 1-10, 2013
Online since:
January 2013
Authors:
N.T.H. Kim-Ngan, G. Jagło, D. Sitko, W. Soszka
Keywords:
Low Energy Ion Scattering, Magnetite Surface, Molecule Dissociation
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Open Access

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This work is licensed under a
Creative Commons Attribution 4.0 International License

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