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Nature Materials 7, 927–928 (1 December 2008) | doi:10.1038/nmat2325

Iron-based superconductors: Unity or diversity?

Steven A. Kivelson & Hong Yao

Superconductivity is among the most fascinating properties that a material can show. On the fundamental level, it represents a direct, macroscopic manifestation of coherent quantum mechanical behaviour, and its potential practical importance is almost unlimited, especially if new superconductors can be synthesized or discovered with still higher transition temperatures, Tc.