Ag8GeTe6 cF220 216

• Ag-Ge-Se
• Ag-Ge-S
• Ag-Se-Sn
• Ag-S-Sn
• Ag-As-Se
• structural properties
• cohesive energy
• optical properties
• optical spectra
• X-ray photoemission spectra
• transitional
• chalcogen
• ternary
• argyrodite
• disordered
• cubic