Neodymium magnets, commonly called new magnets, are made of an alloy of neodymium (Nd), iron (Fe), and boron (B). Neodymium magnet alloys form microscopic crystals. The crystals can be aligned during fabrication by a strong magnetic field, which causes all of their magnetic axes to point in the same direction. Once magnetized, neodymium magnets are more or less permanent.
The basic compound...
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