Perkin-Elmer PHI 5600 LS

         Monoenergetic x-rays are focused onto the surface of a material and excite surface atoms. Core and valence shell photoelectrons with energies characteristic of elements in the top 100 angstroms are ejected and energy analyzed to obtain qualitative and quantitative information on surface composition. The kinetic energy of the electron emitted provides information about the functional group and the oxidation state of the surface species. 

Examples of Uses:

  • Studies of surface modifications and treatments
  • Locus-of-Failure identification in multi-layer films
  • Determination of fiber finish compositions
  • Identification of thin film coatings and surface contaminants
  • Catalyst oxidation state and poisoning studies
  • Surface coatings of pigments
  • Surface compositions of polymers and polymeric coatings
  Contact Provider
Provider:
Laboratory of mass spectrometric analysis and X-ray photoelectron spectroscopy V. Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine
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Equipment:

  • Ultra high vacuum (UHV) system with pressure in analytical chamber ≈10-9
    Torr;
  •  Al K-alpha X-ray
    source (energy 1486.6 eV) PHI model 04-548 with PHI model 10-410 monochromator;

  • Sputter Ion Gun PHI model 04-303 for etching samples with ion energy up
    to 5 keV 

      Research possibilities:

  •               Quantitative elemental analysis of the surface, from Li to U, with a sensitivity up to 0.1 at.%
  •               Analysis of chemical bonds on the surface, which, in particular, allows to determine the  quantitative phase and chemical composition
  •               Surface analysis for depths up to 10 nm and area 0.5-1 mm x 3.5 mm
  •               Cleaning/Etching the sample surface with Ar+ ion beam. Depth profiling
  •             Measurement of samples with a form factor of up to 100/203 mm in diameter and up to 15/25 mm in thickness

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