Cr, Sn and Ag SnO

P.De Padova, R. Larciprete, M. Mangiantini, M. Fanfoni

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Abstract

The room temperature (RT) formation of the interface between metals (Cr, Sn, Ag) and the SnO2surface was studied by Synchrotron Radiation induced UPS. The Sn4d core level and the Valence Band were monitored as a function of metal growth starting from submonolayer regime. At low monolayer coverages a redox reaction with different rate and evolution depending on metal reactivity, arises between the Cr and Sn atoms and the SnO2surface, oxidizing the overlayer and reducing the Sn cation at the interface. Deposition of less reactive Ag film leaves the stoichiometry of the substrate unchanged. However, in this case as well as for Cr, at high metal coverage the metallic tin segregation is observed. © 1995.
Original languageEnglish
Pages (from-to)499 - 504
Number of pages6
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume76
Issue numberC
DOIs
Publication statusPublished - 29 Dec 1995
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry

Cite this

Padova, P. D., Larciprete, R., Mangiantini, M., & Fanfoni, M. (1995). Cr, Sn and Ag SnO. Journal of Electron Spectroscopy and Related Phenomena, 76(C), 499 - 504. https://doi.org/10.1016/0368-2048(95)02474-3