Na3(Na0.5Pb0.5)2Ge2S6 mS26 12

• Ge-Na-S-Sn
• Ge-Na-Pb-S
• Eu-Na-Se-Si
• Ge-Na-Se-Sm
• Na-Pb-Se-Si
• optical properties
• structural properties
• phonons
• Raman spectra
• wavenumber of optical phonon
• alkali
• quaternary
• metalloid
• chalcogen
• disordered
• monoclinic