Science in China Series A: Mathematics

, Volume 42, Issue 8, pp 834–841 | Cite as

Non-metallic catalysts for diamond synthesis under high pressure and high temperature

  • Liling Sun
  • Qi Wu
  • Daoyang Dai
  • Jun Zhang
  • Zhicheng Qin
  • Wenkui Wang


Recent results on conversion from graphite to diamond by aid of non-metallic catalysts are reviewed. The current status of experimental advances is presented and typical examples from relevant literature are provided for understanding the mechanism of the graphite-diamond conversion by aid of these non-metallic catalysts. Furthermore, a tendency of graphite-diamond transformation assisted by carbonates, sulfates or phosphorus under high pressure and high temperature has been investigated by calculating the activation energy and transformation probability of the carbon atoms over a potential barrier. It was found that the activation energy is highly sensitive to the catalyst chosen. The probability sequence of graphite-diamond transformation with these catalysts was put forward.


non-metallic catalyst diamond synthesis transformation probability high pressure and high temperature 


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Copyright information

© Science in China Press 1999

Authors and Affiliations

  • Liling Sun
    • 1
  • Qi Wu
    • 1
  • Daoyang Dai
    • 1
  • Jun Zhang
    • 1
  • Zhicheng Qin
    • 1
  • Wenkui Wang
    • 1
  1. 1.Institute of PhysicsChinese Academy of SciencesBeijingChina

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