Chalcogen, Quaternary, Semiconductor, Kannewurf

• Ce-Cu-K-S
• Ce-Cs-Cu-S
• Ba-Cu-Eu-O
• Bi-Cs-Sn-Te
• Bi-Cs-P-Se
• electronic and electrical properties
• thermoelectric power
• thermal and thermodynamic properties
• optical properties
• phonons
• semiconductor
• quaternary
• conductor
• chalcogen
• alkali
• monoclinic
• orthorhombic
• tetragonal
• hexagonal
• cubic