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Materials science

Changing face of the chameleon

Chalcogenide materials form the basis of CD and DVD technologies. But an identity crisis looms in the wider field: what role do atomic reconfiguration, electronic processes and ionic movement play in these materials?

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Figure 1: Two types of chalcogenide device.

Notes

  1. *European Symposium on Phase Change and Ovonic Science, Cambridge, 3–6 September 2005; http://www.epcos.org

  2. Symposium on Memory Storage Materials. European Congress on Advanced Materials and Processes, 5–8 September 2005; http://www.euromat2005.fems.org/index.htm

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Greer, A., Mathur, N. Changing face of the chameleon. Nature 437, 1246–1247 (2005). https://doi.org/10.1038/4371246a

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