Chalcogen, Oxide, Transitional, Effective mass of electrons

• O-Ti
• O-Zn
• Cu-O
• Ba-Cu-O-Y
• Nb-O-Sr-Ti
• chalcogen
• transitional
• oxide
• conductor
• non-disordered
• tetragonal
• cubic
• orthorhombic
• hexagonal
• monoclinic