Le flem

• Al-Ca-Nd-O
• O-W
• Na-O-W
• Co-La-O-Sr
• Li-O-W
• structural properties
• magnetic properties
• optical properties
• values of luminescence
• luminescence
• chalcogen
• transitional
• quaternary
• rare earth
• alkali
• tetragonal
• orthorhombic
• trigonal
• monoclinic
• cubic