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Lookup NU author(s): Professor Patrick Briddon
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Irradiation of graphite results in the production of I-V pairs. Depending on the structure of the interstitial, these interact to form either an intimate I-V pair or a Stone-Wales defect. The intimate I-V pair can recombine into perfect graphite with a barrier of 1.3 eV, releasing 10.1-10.8 eV in the process. This defect represents a final barrier to recombination which must be overcome, and believed this complex to be the cause of the major 200°C Wigner energy release peak in graphite.
Author(s): Ewels CP, Telling RH, El-Barbary AA, Heggie MI, Briddon PR
Publication type: Article
Publication status: Published
Journal: Physical Review Letters
ISSN (print): 0031-9007
ISSN (electronic): 1079-7114
Publisher: American Physical Society
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