Chalcogen, Disordered, Oxide, Poisson ratio

• Ba-Cu-O-Y
• Ca-O-Ti
• Fe-O-Y
• Al-Cu-Fe-O
• Co-Fe-O-Zn
• chalcogen
• oxide
• disordered
• transitional
• conductor
• cubic
• orthorhombic
• tetragonal
• trigonal
• monoclinic