Abstract
RECENT optical studies of the topographical changes occurring at graphite surfaces during oxidation indicate that the cores of non-basal dislocations are often the preferred sites for attack by O2 molecules1. The orientation of the hexagonal etch pits on the graphite basal plane reveal that below 800° C the oxidation rate is faster in the 〈10&1bar;0〉 than in the 〈11&2bar;0〉 directions, whereas the reverse is true above 1,000° C (ref. 2).
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References
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MCCARROLL, B., McKEE, D. Interaction of Atomic Hydrogen and Nitrogen with Graphite Surfaces. Nature 225, 722–723 (1970). https://doi.org/10.1038/225722a0
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DOI: https://doi.org/10.1038/225722a0
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