K4SrGe3O9 cP272 205

• Ca-Eu-K-O-Si
• Ca-K-O-Si
• K-O-Si-Sr
• Ca-Na-O-Si
• Ge-K-O-Sr
• optical properties
• structural properties
• luminescence
• photoluminescence spectra
• thermal and thermodynamic properties
• alkali
• alkaline
• metalloid
• chalcogen
• quaternary
• cubic