Khobragade

• Ca-O-Sr-W
• O-Sr-W
• Ca-O-W
• Ca-Co-Fe-Ir-O
• optical properties
• electronic and electrical properties
• phonons
• permittivity (dielectric constant)
• luminescence
• transitional
• chalcogen
• alkaline
• scheelite
• nonmetal
• tetragonal
• hexagonal