Lanthanum oxide is widely used and dopants are one of the important application fields.

Lanthanum oxide, with the chemical formula La2O3, also known as lanthanum trioxide, is an inorganic compound composed of lanthanum element and oxygen element, and is an important rare earth metal oxide. Lanthanum oxide appears as white powder, insoluble in water and ketones, but soluble in ethanol, ammonium chloride, and inorganic acids. When exposed to the…