Lanthanoid, Transitional, Wavelength for luminescence

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