High resolution spectroscopic and microscopic signatures of ordered growth of ferrous sulfate in SO2 assisted corrosion of Fe3O4(100)
2007 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 91, no 9Article in journal (Refereed) Published
The authors present a high-resolution core-level photoemission study of a Fe3O4(100) surface exposed to 50 L (1 L=10(-6) mbar s) of H2O and 50 L of SO2. S 2p core-level spectra reveal the presence of SO3 and SO4 species. An additional peak in the Fe 3p core-level spectrum shows that they bond with iron from the substrate. Complementary scanning tunneling microscopy of the same surface demonstrates formation of a long-range ordered sulfate locked in the (root 2x root 2)R45 degrees-surface potential.
Place, publisher, year, edition, pages
2007. Vol. 91, no 9
scanning-tunneling-microscopy, sulfuric-acid-solution, in-situ, adsorbed sulfate, zno powders, adlayer, photoemission, electrodes, fe3o4(001), adsorption
IdentifiersURN: urn:nbn:se:kth:diva-16921DOI: 10.1063/1.2776854ISI: 000249156100099ScopusID: 2-s2.0-34548439418OAI: oai:DiVA.org:kth-16921DiVA: diva2:334964
QC 201005252010-08-052010-08-052013-01-16Bibliographically approved