Chalcogen, Non-disordered, Electronic and electrical properties, Square pyramid 5-vertex

• Ba-Cu-O-Y
• Cu-La-O
• Ba-Cu-O-Pr
• Ba-Ca-Cu-O-Tl
• La-Mn-O
• conductivity or resistivity
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• non-disordered
• chalcogen
• transitional
• oxide
• disordered
• orthorhombic
• monoclinic
• tetragonal
• triclinic
• trigonal