Chalcogen, Luminescent, Trigonal, Wavelength for luminescence

• Ca-Eu-O-P
• Eu-La-O-P-Pb-Si-Zr
• Nd-O
• Ca-Eu-Mg-O-P
• Ca-Eu-O-V
• chalcogen
• luminescent
• rare earth
• lanthanoid
• transitional