Rare earth compounds have peculiar luminescent and magnetic properties because of their unique electronic structure and numerous transition modes involving the 3d and 4f shell of lanthanide.

• 具有3d和4f结构的稀土元素化合物，由于具有独特的电子结构和多样化的跃迁模式，往往具有奇特的光学和磁学性能。