Chalcogen, Disordered, Oxide, Effective mass of electrons

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