Mixed-valence insulators with neutral Fermi surfaces
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DOI: 10.1038/s41467-018-04163-2
Abstract: Samarium hexaboride is a classic three-dimensional mixed valence system with a high-temperature metallic phase that evolves into a paramagnetic charge insulator below 40 K. A number of recent experiments have suggested the possibility that the low-temperature… read more here.
Keywords: valence insulators; insulators neutral; fermi; valence ... See more keywords