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In JET, Be has been routinely evaporated onto the vessel walls in the last years of operation. During the plasma discharges a surface layer of Be and C and also other impurities from the vessel wall, such as O, Ni, Fe, Cr, K, Na and Cl has been built up at the plasma facing vessel wall areas. In the work presented, the surface layer compositions of several representative areas of the JET vessel walls have been investigated to evaluate the amount of trapped H and D in correlation with the depth distributions of the other deposits.

Additional information

Authors: BEHRISCH R ET AL., Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);GRÖTZSCHEL R, Forschungszentrum Rossendorf, Dresden (DE);KREISSIG U, Forschungszentrum Rossendorf, Dresden (DE);HILDEBRANDT D, Max-Planck-Institut für Plasmaphysik, Berlin (DE);SCHNEIDER W, Max-Planck-Institut für Plasmaphysik, Berlin (DE)
Bibliographic Reference: Article: Journal of Nuclear Materials, Vols. 220-222 (1995) pp. 590-594
Record Number: 199510932 / Last updated on: 1995-08-10
Original language: en
Available languages: en