Plateforme technologique SIAM
The XPS technique can be used to detect elements present on the surface of samples, determine their atomic concentration and chemical state (e.g., C-C, C-O, C-F or oxidation states). It is also possible to perform depth profiling to determine the atomic concentration of multilayers.
Facilities
- K-alpha spectrometer (Thermo): spot size 30-400µm, high counting rate, charge compensation, large sample size (6x6 cm²), depth profile (monoatomic Ar)
- Escalab 250Xi spectrometer (Thermo): spot size 200-900µm (+2D imaging mode), high counting rate, charge compensation, in-situ heating of samples, UPS, ISS, REELS, depth profiling with Ar clusters