QUANTUM MATERIALS

Orbital-selective metals

The metallic state of an iron chalcogenide superconductor is demonstrated to be characterized by the simultaneous presence of itinerant carriers with different degrees of correlation. This orbital-selective metal arises from a sizeable Hund’s coupling.

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Fig. 1: Electronic band structure of FeSe.

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Correspondence to Massimo Capone.

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Capone, M. Orbital-selective metals. Nature Mater 17, 855–856 (2018). https://doi.org/10.1038/s41563-018-0173-7

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