Chalcogen, Oxide, Rare earth, Eu-Y, Optical properties

• Eu-O-Y
• Eu-O-S-Y
• Eu-Mo-O-Y
• Eu-Nb-O-Y
• Al-Eu-O-Y
• luminescence
• wavelength for luminescence
• photoluminescence spectra
• values of luminescence
• phonons
• rare earth
• oxide
• lanthanoid
• chalcogen
• transitional
• monoclinic
• cubic
• orthorhombic
• trigonal
• hexagonal