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Structure Modification of Different Graphite and Glassy Carbon Surfaces Under High Power Action by Hydrogen Plasma

A. A. Shoshin et al.

Fusion Science and Technology / Volume 59 / Number 1T / Pages 268-270

January 2011

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The studies of exposing of targets by hot-electron plasma exhaust from the multi-mirror trap GOL-3 are carried out. The results of Raman and SEM studies of surface modification of carbon materials with different ordering range of sp2 fraction (different graphite and glassy carbon) exposed by pulsed hot hydrogen plasma with energy density up to 8 MJ/m2 are presented. It is shown that on the depth up to ~80 nm due to this exposing there are obtained two effects—micro structural destruction of the surface and extension of crystallite size of sp2 phase, i.e. ordering of nanostructure.

 
 
 
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