Chalcogen, Non-disordered, Transitional, Electric properties, Tetragonal

• Ba-O-Ti
• O-Ti
• Fe-Se-Te
• Nb-Se
• Ba-Ca-Cu-O-Tl
• conductivity or resistivity
• electrical conductivity
• electronic energy gap
• effective mass
• values of electronic energy gap
• transitional
• non-disordered
• chalcogen
• oxide
• ternary