Ba-Eu, Optical properties, Rare earth

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