Wachhold

• Ag-As-Cs-Se
• Ag-As-Rb-Se
• Ag-As-K-Se
• Cs-Te
• Cs-Se-Te
• structural properties
• optical properties
• phonons
• Raman spectra
• temperature for peritectic formation
• alkali
• chalcogen
• metalloid
• selenide
• pnictogen
• monoclinic
• orthorhombic
• tetragonal
• triclinic
• cubic