Abstract
The chemical composition of iron-containing droplets formed on the graphite tiles of the poloidal ASDEX limiter after exposure to plasma discharges was analysed using 57Fe Mössbauer spectroscopy. Measurements in both transmission and conversion electron Mössbauer spectroscopy modes indicate that iron is present predominantly in the form of an alloyed carbide phase of the cementite type (Fe, Cr, Ni) 3C.
Published Version
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