AI-generated conceptual illustration of a cutaway magnet showing grains outlined by thin metallic shells, with an electric motor behind
Critical materials

Korean lab cuts the rarest ingredient in EV magnets by four-fifths

A DGIST team, part-funded by a Korean magnet maker, says a new diffusion recipe delivers comparable magnet performance with 80 per cent less dysprosium. The result is laboratory scale, and large magnets are the next test.