Abstract
Thermal desorption behavior of boronized graphite irradiated by an energetic hydrogen ion beam has been investigated. The desorption of methane (CH 4) was observed to decrease due to boron addition. By comparing the ratios of the amount of H 2 desorption to CH 4, a relative enhancement of H 2 release was also observed. A model for hydrocarbon release from hydrogen-implanted graphite was applied to these experimental results. Results showed that the activation energy of detrapping decreased while that of precursor formation increased with increasing boron content.
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