(Ca0.33Sm0.67)3S2F4 tI26 139

• Ce-F-S-Sr
• Ca-F-S-Sm
• Ca-Ce-F-S-Y
• structural properties
• optical properties
• reflectivity
• values of reflectivity
• rare earth
• lanthanoid
• chalcogen
• sulfide
• halogen
• tetragonal