The results of SIMS and Raman with the purified sample (0.07% 13C) and the unpurified HOPG (1.10% 13C)
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The Raman signal shows the isotopic abundance difference between the purified sample and the unpurified HOPG . SIMS measurement shows carbon concentration of isotope-enriched graphite samples.
创建时间：
2026-02-26
