Chalcogen, Conductor, Kannewurf, Orthorhombic

• Ce-Cs-Cu-S
• Ba-Cu-Eu-O
• Ba-Bi-Te
• Bi-K-S
• As-Te-Ti
• electronic and electrical properties
• thermal and thermodynamic properties
• thermoelectric power
• optical properties
• conductivity or resistivity
• conductor
• chalcogen
• semiconductor
• transitional
• lanthanoid