Alkaline, Chalcogen, Luminescent, Transitional, Khanna

• Ca-Eu-Mo-O
• Ca-Eu-O-W
• Ca-O-W
• Eu-Mg-Mo-O
• Ca-Mo-O
• optical properties
• luminescence
• wavelength for luminescence
• photoluminescence spectra
• chromaticity diagram
• luminescent
• transitional
• chalcogen
• alkaline
• lanthanoid
• tetragonal
• monoclinic
• orthorhombic
• cubic