Ba-Eu, Lanthanoid, Nonmetal, Optical properties

• Ba-Eu-N-O-Si
• Ba-Cu-Eu-O
• Ba-Ce-Cl-Eu-O-P
• Al-Ba-Eu-Mg-O
• Ba-Cl-Eu-F
• luminescence
• photoluminescence spectra
• values of luminescence
• wavelength for luminescence
• optical spectra
• rare earth
• lanthanoid
• alkaline
• nonmetal
• chalcogen
• hexagonal
• monoclinic
• orthorhombic
• trigonal
• tetragonal