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The AXIS Ultra uses a magnetic immersion lens with a spherical mirror and concentric hemispherical analyzers with a delay-line detector (DLD) for both imaging and spectroscopy. We have both Al Kα (1.486 KeV) and Ag Kα (2.984 Kev) monochromatic X-ray sources as well as a dual anode Al Kα and Mg Kα (1.253 Kev) non-monochromatic sources. The instrument can be used for both spectroscopic and surface imaging by XPS, UPS, or Ion Scattering Spectroscopy. Spectroscopic small spot and imaging capabilities of < 3 µm of spatial resolution is possible. A temperature programed desorption (TPD) stage is available.
It has a floating ion gun, a TPD stub with mass spectrometer detection, and the ability to heat and/or cool a sample in the sample treatment chamber (STC). A transfer vessel that allows one to load samples in an inert atmosphere box and then transfer then into the UHV system without exposing them to atmosphere is available.
The Kratos is reserved for experienced users. If you have never used an XPS you should first use the MProbe XPS that has most of the capabilities that are normally needed..