Quenchable Transparent Phase of Carbon

E. D. Miller, D. C. Nesting, J. V. Badding

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The sp3-bonded "transparent phase" of carbon, formed by compression of single-crystal graphite to 18 GPa, has been found to be quenchable to atmospheric pressure at low temperatures (< 100 K). The quenched transparent phase reverts to graphite upon warming to room temperature, indicating that there is a surprisingly small activation barrier for a transformation that must involve carbon-carbon bond breakage. Visual observations and Raman spectroscopy are used to document the novel ambient pressure transformation.

Original languageEnglish (US)
Pages (from-to)18-22
Number of pages5
JournalChemistry of Materials
Issue number1
StatePublished - Jan 1997

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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    Miller, E. D., Nesting, D. C., & Badding, J. V. (1997). Quenchable Transparent Phase of Carbon. Chemistry of Materials, 9(1), 18-22. https://doi.org/10.1021/cm960288k