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Abstract

Erosion yields of Si, C and SiC due to D ion impact were determined between 20 and 300 eV up to 1100 K. A temperature dependence of the erosion yield has been observed for Si and C. The temperature of the maximum increases with ion energy from about 350 K for 20 eV to 570 K above 100 eV for Si, which is always about 250 K lower than for graphite. The erosion yields of Si are in general 10 times smaller than those of graphite. Chemical erosion species were observed mass-spectroscopically: silane was found for Si, but not for SiC, where only hydrocarbons were observed.

Additional information

Authors: BALDEN M, Max-Planck Institut f³r Plasmaphysik, EURATOM Association, Garching bei M³nchen (DE);ROTH J, Max-Planck Institut f³r Plasmaphysik, EURATOM Association, Garching bei M³nchen (DE)
Bibliographic Reference: Article: Journal of Nuclear Materials, Vol. 279 (2000) pp. 351-355
Availability: Journal of Nuclear Materials
Record Number: 200012111 / Last updated on: 2000-07-12
Category: PUBLICATION
Original language: en
Available languages: en