Mixed-valence insulators with neutral Fermi surfaces
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 insulating bulk hosts electrically neutr...
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Format: | Article |
Language: | English |
Published: |
Nature Publishing Group,
2018-11-02T18:20:59Z.
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Online Access: | Get fulltext |