Niron’s eco-friendly magnets are developed from iron and nitrogen, not rare-earths

 https://www.mprnews.org/story/2024/10/11/minnesota-niron-magnetics-company-scales-up-greener-options

"iron oxide powder from iron ore, byproduct of steel making... run through reactors replacing oxygen with nitrogen, creating iron nitride powder, which is magnetic... byproducts also eco-friendly: salt, water, water vapor... cleaner production, recycling, disposal... customers include: General Motors, Magna Powertrain, Samsung, Harman Audio, Allison Transmission, Volvo, Western Digital... 1,500 tons magnets/ year... stable even at high temperatures such as in engines... EV's, wind turbines, audio products, defense/ weaponry"

Related: Licensed ORNL technology makes magnets with fewer critical minerals
https://www.eurekalert.org/news-releases/1089417