Chalcogen, Lanthanoid, Luminescent, Transitional, Wavelength for luminescence

• Eu-O-Y
• Al-Ce-O-Y
• Ca-Eu-Mo-O
• Eu-O-V-Y
• Er-O-Y
• luminescent
• rare earth
• chalcogen
• lanthanoid
• transitional
• tetragonal
• monoclinic
• cubic
• orthorhombic
• trigonal