The basic understanding of the interaction between energetic hydrogen plasma with carbon and tungsten based surfaces is crucially important for analyzing plasma-wall interaction in divertors of fusion devices and other plasma applications. The ion reflection coefficient, ion absorption coefficient, total ion charge density, and ion density distribution have been studied using a kinetic trajectory simulation model at different ion temperatures. It has been observed that the ion reflection coefficient and the ion absorption coefficient of the incident particles depend on kinetic energy: higher energy ions are less likely to be reflected as they have enough energy to bury themselves within the solid.
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