Cobalt doping converts FeSb2 into a metallic altermagnet with infrared-visible spin-split bands persisting to room temperature.
From Narrow-gap Semicon- ductor to Metallic Altermagnet: Optical Fingerprints of Co-doped FeSb2
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From Narrow-gap Semiconductor to Metallic Altermagnet: Optical Fingerprints of Co-Doped FeSb2
Cobalt doping converts FeSb2 into a metallic altermagnet with infrared-visible spin-split bands persisting to room temperature.