Rare earth oxides are composed of oxides of 15 lanthanide elements (atomic numbers 57-71) in the periodic table and 17 elements with similar chemical properties, including scandium (Sc) and yttrium (Y). Mainly including lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide, scandium oxide, and yttrium oxide; The product purity can reach 99.5% -99.999%, and the particle size range covers the micrometer to nanometer level
