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Abstract

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 FUER PLASMAPHYSIK, KERNFORSCHUNGSANLAGE JUELICH GMBH, JUELICH (DE);DEPARTMENT OF APPLIED PHYSICS, UNIVERSITY OF TOKYO (JP);WINTER J ET AL, INSTITUT FUER PLASMAPHYSIK, KERNFORSCHUNGSANLAGE JUELICH GMBH, JUELICH (DE);DEPARTMENT OF APPLIED PHYSICS, UNIVERSITY OF TOKYO (JP);BANNO T INSTITUT FUER PLASMAPHYSIK, KERNFORSCHUNGSANLAGE JUELICH GMBH, JUELICH (DE), INSTITUT FUER PLASMAPHYSIK, KERNFORSCHUNGSANLAGE JUELICH GMBH, JUELICH (DE);DEPARTMENT OF APPLIED PHYSICS, UNIVERSITY OF TOKYO (JP);DEPARTMENT OF APPLIED PHYSICS, UNIVERSITY OF TOKYO (JP), INSTITUT FUER PLASMAPHYSIK, KERNFORSCHUNGSANLAGE JUELICH GMBH, JUELICH (DE);DEPARTMENT OF APPLIED PHYSICS, UNIVERSITY OF TOKYO (JP)
Bibliographic Reference: ARTICLE: PLASMA PHYSICS AND CONTROLLED FUSION, VOL. 31 (1989) NO. 2, PP. 185-192
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