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Superconductivity

Fewer atoms, more information

A complete understanding of the mechanism underpinning high-temperature superconductivity is notoriously elusive. The growing body of evidence suggesting that monolayer iron selenide superconducts up to 65 K indicates it may become an ideal model system for testing theoretical ideas.

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Figure 1: Schematic representation of the phase boundaries found by changing the properties of a FeSe film.
Figure 2: Typical elements of the normal state (T > Tc) electronic structure, E(k), of some superconductors with different critical temperatures Tc.

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Correspondence to Sergey Borisenko.

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Borisenko, S. Fewer atoms, more information. Nature Mater 12, 600–601 (2013). https://doi.org/10.1038/nmat3683

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