Chalcogen, Conductor, Semiconductor, Transitional, Wavelength for luminescence

• O-Zn
• Eu-O-Y
• S-Zn
• Er-O-Y-Yb
• Se-Zn
• transitional
• chalcogen
• semiconductor
• conductor
• luminescent
• cubic
• monoclinic
• tetragonal
• hexagonal
• trigonal