Amorphous silica-like carbon dioxide

@article{Santoro2006AmorphousSC,
  title={Amorphous silica-like carbon dioxide},
  author={M. Santoro and F. Gorelli and R. Bini and G. Ruocco and S. Scandolo and W. Crichton},
  journal={Nature},
  year={2006},
  volume={441},
  pages={857-860}
}
Among the group IV elements, only carbon forms stable double bonds with oxygen at ambient conditions. At variance with silica and germania, the non-molecular single-bonded crystalline form of carbon dioxide, phase V, only exists at high pressure. The amorphous forms of silica (a-SiO2) and germania (a-GeO2) are well known at ambient conditions; however, the amorphous, non-molecular form of CO2 has so far been described only as a result of first-principles simulations. Here we report the… Expand
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This newly discovered form of carbon dioxide, dubbed a-carbonia, is a glassy material, homologous to amorphous silica and germania, and could initiate new research areas in the solid-state chemistry of light elements. Expand
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The recently developed metadynamics method combined with ab initio calculations is employed to provide fundamental insight into recent experimental reports on carbon dioxide in the 60–80 GPa pressure region to find pressure-induced polymeric phases and their transformation mechanisms. Expand
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The nature and extent of Earth’s deep carbon cycle remains uncertain. This chapter considers high-pressure carbon-bearing minerals, including those of Earth’s mantle and core, as well as phases that… Expand
Physical and chemical transformations of highly compressed carbon dioxide at bond energies.
  • C. Yoo
  • Chemistry, Medicine
  • Physical chemistry chemical physics : PCCP
  • 2013
TLDR
The pressure-induced transformations observed in highly compressed carbon dioxide are reviewed and chemistry perspectives on those molecular-to-non-molecular transformations that can be applied to other low-Z molecular solids at Mbar pressures where the compression energy rivals the chemical bond energies are presented. Expand
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