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XPS AND XPD ANALYSIS OF NITROGEN ADSORPTION ON THETi(0001)SURFACE

Author

Listed:
  • D. P. FRICKEL

    (Institute of Solid State Chemistry, Ural Division of the Russian Academy of Sciences, Pervomajskaja St. 91, 620219, Ekaterinburg, Russia)

  • M. V. KUZNETSOV

    (Institute of Solid State Chemistry, Ural Division of the Russian Academy of Sciences, Pervomajskaja St. 91, 620219, Ekaterinburg, Russia)

  • E. V. SHALAEVA

    (Institute of Solid State Chemistry, Ural Division of the Russian Academy of Sciences, Pervomajskaja St. 91, 620219, Ekaterinburg, Russia)

Abstract

X-ray photoelectron spectroscopy (XPS) and X-ray photoelectron diffraction (XPD) were used to examine the kinetics of nitrogen adsorption on the Ti(0001) surface at temperatures from 220 to 570 K and adsorption exposures from 0 to 1000 L. At the adsorption temperatureT=300K two chemically nonequivalent states of nitrogen were found:NI(1×1lattice) localized in octapores between the first and second titanium monolayers andNII(presumably$\sqrt{3}\times \sqrt{3}-30^\circ$structure) on the titanium surface. The third nitrogen state,N0, which is also localized on the surface but has unoccupied octapores in the nearest neighborhood, is observed with a decrease in the adsorption temperature to 220 K. A model of nitrogen interaction with the Ti(0001) surface in vacuum was proposed proceeding from the temperature dependence of the kinetic adsorption curves.

Suggested Citation

  • D. P. Frickel & M. V. Kuznetsov & E. V. Shalaeva, 1997. "XPS AND XPD ANALYSIS OF NITROGEN ADSORPTION ON THETi(0001)SURFACE," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 4(06), pages 1309-1314.
  • Handle: RePEc:wsi:srlxxx:v:04:y:1997:i:06:n:s0218625x97001723
    DOI: 10.1142/S0218625X97001723
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