https://www.edgemagnets.com/history-of-neodymium-magnet/
History of Neodymium magnet - Edgetech Magnets
Jul 22, 2022 - A neodymium magnet, the most widely used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B.
history of neodymiummagnet