Er-Y, Lanthanoid, Nonmetal, Optical properties

• Er-F-Li-Y
• Al-Er-O-Y
• Ba-Er-F-Y
• Er-O-S-Y-Yb
• Er-Ho-O-Tm-V-Y-Yb
• luminescence
• values of luminescence
• wavelength for luminescence
• photoluminescence spectra
• optical absorption
• transitional
• rare earth
• lanthanoid
• nonmetal
• luminescent
• cubic
• tetragonal
• monoclinic
• trigonal
• orthorhombic