Abstract
The analytical capabilities of the ion beam facility at the CTU in Prague have been extended to allow lateral mapping of surface elemental concentrations. A new target chamber has been designed and built to include a moving sample stage and can be used for simultaneous PIXE and RBS analysis. Diameter of proton or helium beam is reduced by collimator to value typically 1–0.1 mm. Analyses can be carried out either in high vacuum or in helium atmosphere up to 10 Pa to prevent charging in case of insulating samples. Target chamber of 93 mm in diameter, scanning area 20 × 20 mm 2, makes it possible to analyse different types of samples, including minerals or archaeological artifacts. The hardware design of the setup at the CTU as well as the results of analysis of welded material are discussed.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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