Assoud, Chalcogen, Semiconductor, Transitional

• Ba-Cu-Se-Te
• Te-Tl-Zr
• Ba-Cu-S-Te
• Ba-Cu-Te
• Cu-La-Te
• electronic and electrical properties
• thermal and thermodynamic properties
• thermoelectric power
• conductivity or resistivity
• structural properties
• transitional
• chalcogen
• conductor
• semiconductor
• metalloid
• orthorhombic
• trigonal
• monoclinic
• cubic
• tetragonal