Start
Manual
API
Products
Chalcogen, Rare earth, Transitional, Energy level diagram
Er-O-Y-Yb
Er-La-O-V-Yb
Al-Ce-O-Y
Er-O-Y
Er-O-V-Y-Yb
transitional
chalcogen
rare earth
lanthanoid
luminescent
tetragonal
monoclinic
cubic
orthorhombic
trigonal