Terry Blanton wrote:: > For what magnetic material? https://www.wired.com/story/tesla-elon-musk-magnet-mystery/
/well - Possibly it is a big surprise - iron nitride ! This material has been known for a long time (that there is a rare nano-phase of iron and nitrogen with spectacular magnetic properties) ... but it is very difficult to manufacture Here is a company trying to capitalize on this approach, but there are others https://www.nironmagnetics.com/.
