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The plasma-facing surfaces of TEXTOR have recently been coated with a thin layer of hydrogen-rich carbon and boron in the ratio (1:1). An improved plasma performance results when this coating replaces the amorphous carbon layer used before. The main differences are a pronounced reduction of the radiation losses, a decrease of Z(eff) from 1.4 to 1.2 and a significant change in the hydrogen recycling. Possible explanations for the reduction of the oxygen concentration and for the change in hydrogen recycling are suggested and discussed.

Additional information

Authors: WAELBROECK F, Institut für Plasmaphysik, Kernforschungsanlage Jülich GmbH, Jülich (DE);WINTER J ET AL., Institut für Plasmaphysik, Kernforschungsanlage Jülich GmbH, Jülich (DE);BANNO T, Department of Applied Physics, University of Tokyo (JP)
Bibliographic Reference: Article: Plasma Physics and Controlled Fusion, Vol. 31 (1989) No. 2, pp. 185-192
Record Number: 199010630 / Last updated on: 1994-12-01
Original language: en
Available languages: en
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