Photoemission Spectroscopy (XPS&UPS) Facility

The ICN2 Photoemission Spectroscopy Facility is equipped with a state-of-the-art XPS and UPS system (SPECS PHOIBOS 150 hemispherical energy analyser) for the electronic and chemical characterisation of the surface of a wide range of materials.

It provides services to both internal and external users for routine XPS analysis, as well as supporting long-term experiments requiring in-situ preparation and modification.

Available techniques

  • Elemental composition

  • Detection of contaminants

  • Quantitative analysis

  • Determination of chemical or electronic state of each element on the surface

  • Layer ordering in the first 8-10 nm (relative depth plot)

  • Work function, ionisation energy and valence band measurement using UPS

  • Direct band mapping using ARUPS

  • Temperature-dependent XPS measurements

  • In-situ preparation of materials by thermal evaporation for later analysis