The permanent magnetic material contains a main neodymium iron boron permanent magnetic material and an additive, wherein, the addictive is nano gadoliniumcompound.
本发明提供的永磁材 料含有钕铁硼永磁主体材料和添加剂，其中，所述添加剂为纳米钆化合物。
2
The chemical property of gadolinium is more stable and safer than that of boron, because gadolinium tracer stays as a complex compound.