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Stopping power of C in Si

The knowledge and amount of stopping power measurements available for heavy ions is much smaller than for H and He, with negative consequences for the accuracy of intepolative calculational schemes such as SRIM. We have used a bulk method, previously developed by us and applied successfully to other systems, to determine experimentally the stopping power of C in Si between 0.3 and 14.9 MeV. This is particularly useful for heavy ion elastic recoil detection analysis, given that Si is one of the most commonly analysed materials, and C is a light element whose quantitative determination is ideally made with HI-ERDA. Obtained results are compared with SRIM and MSTAR as well as with other available data.

stopping power; silicon; heavy ions

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