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Neodymium magnet
A neodymium magnet (also known as NdFeB, NIB or Neo magnet) is the most widely used type of rareearth is a permanent magnet made from an alloy of neodymium, iron, and boron to form the Nd 2 Fe 14 B tetragonal crystalline structure. Developed independently in 1984 by General Motors and Sumitomo Special Metals, neodymium magnets are the strongest type of ....