Chalcogen, Rare earth, Jcrgae, Optical properties

• Gd-Na-O-Tm-W
• B-Ca-Gd-O
• B-Gd-La-O-Sc
• Gd-Ge-Mo-O-Yb
• B-Ca-Gd-Nd-O
• optical absorption
• luminescence
• wavelength for luminescence
• non-linear optics
• photoluminescence spectra
• chalcogen
• rare earth
• lanthanoid
• nonmetal
• transitional
• trigonal
• monoclinic
• tetragonal
• cubic
• orthorhombic