Khanna, Lanthanoid

• Eu-Mo-O-Y
• Eu-Gd-Mo-O
• Ca-Eu-Mo-O
• Ca-Eu-O-W
• Eu-Mg-O-W
• optical properties
• luminescence
• structural properties
• photoluminescence spectra
• wavelength for luminescence
• chalcogen
• lanthanoid
• rare earth
• transitional
• quaternary
• monoclinic
• tetragonal
• orthorhombic
• cubic
• trigonal