Koga, Kenneth T. et al. (2005) Carbon self-diffusion in a natural diamond, Physical Review B, 72, 024108, doi: 10.1103/PhysRevB.72.024108. < 20200416153708-729821 > pub
  • abstract:

    We report experimentally determined self-diffusion coefficients for carbon in a type-IaA diamond at pressure and temperature conditions within diamond stability field at 10GPa and 2075–2375K. The activation energy of diffusion is 6.8±1.6eV and a preexponent constant is of 4.1×10−5m2/s [ln(−10.1±2.0)m2/s]. The activation energy is approximately 30% lower than results predicted previously from ab initio calculations.

  • doi: 10.1103/PhysRevB.72.024108
  • modified at 2020-04-16
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  • name
  • Koga, Kenneth T.
  • Walter, Micheal J.
  • Nakamura, Eizo
  • Kobayashi, Katsura