Science Daily  October 24, 2022 Tetrataenite, an iron-nickel alloy with a particular ordered atomic structure, is one of the most promising material to replace rare earth magnet. It forms over millions of years as a meteorite slowly cools, giving the iron and nickel atoms enough time to order themselves into a particular stacking sequence within the crystalline structure, ultimately resulting in a material with magnetic properties approaching those of rare-earth magnets. The 1960s technique for forming tetrataenite is not suitable for mass production. An international team of researchers (Italy, Austria, UK) found a possible alternative that doesn’t require millions of […]