Na2SrP4O12 tP38 125, Quaternary

• Na-O-Sr-V
• Ca-Na-O-V
• Ag-Ca-O-V
• K-O-Sr-V
• Ca-Ge-O-Y
• optical properties
• phonons
• structural properties
• electronic and electrical properties
• wavenumber of optical phonon
• chalcogen
• quaternary
• oxide
• alkaline
• transitional
• tetragonal