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Nature 441, 823 (15 June 2006) | doi:10.1038/441823a; Published online 14 June 2006
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Solid-state chemistry: A glass of carbon dioxide
Paul F. McMillan1
Abstract
Carbon is unusual in its family of elements because it has gaseous oxides. But under high pressure, carbon dioxide forms crystalline solids and can become a glass — so revealing the chemical family resemblance.
Everyone is familiar with the common forms of silicon dioxide (SiO2, silica), such as the crystalline version known as quartz, the major component of sand. When melted and cooled rapidly, and usually mixed with metal oxides, sand forms silica-based glasses that we use to make many useful things, ranging from windows to champagne bottles.
- Paul F. McMillan is in the Department of Chemistry, Christopher Ingold Laboratory and Materials Chemistry Centre, University College London, 20 Gordon Street, London WC1H 0AJ, UK, and in the Davy–Faraday Laboratory, Royal Institution of Great Britain, London.
Email: p.f.mcmillan@ucl.ac.uk
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