Plasma Facing Surface Composition During NSTX Li Experiments
Description:
Lithium conditioned plasma facing surfaces have lowered recycling and enhanced plasma performance on many fusion devices. However, the nature of the plasma-lithium surface interaction has been obscured by the difficulty of in-tokamak surface analysis. We report laboratory studies of the chemical composition of lithium surfaces exposed to typical residual gases found in tokamaks. Solid lithium and a molybdenum alloy (TZM) coated with lithium has been examined using x-ray photoelectron spectrosco…
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Date:
July 20, 2012
Creator:
Skinner, C. H.; Sullenberger, R.; Koel, B. E.; Jaworski, M. A. & Kugel, H. W.
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Partner:
UNT Libraries Government Documents Department