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Innovation

Lessening our dependence on rare-earth minerals for magnets

Next-generation permanent magnets will rely more heavily on iron or other abundant materials and less on rare earths
Scientists at the Department of Energy’s Ames Laboratory have observed magnetic properties typically associated with those observed in rare-earth elements in iron. These properties are observed in a new iron based compound that does not contain rare earth elements, when the iron atom is positioned between two nitrogen atoms. The discovery opens the possibility of using

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