The two types of rare-earth magnets classified according to the materials which the magnets are made of are Samarium-cobalt and Neodymium magnets. Samarium-cobalt magnets were the first family of rare ...
In the 1980s, scientists in Japan and the US independently created a more cost-effective and more powerful rare earth magnet, known as the Neodymium-Iron-Boron (NdFeB) Magnet. Currently, the NdFeB ...