Antiferroelectric, Chalcogen, Ba-Cu-O-Y, Critical current density

• Ba-Cu-O-Te-Y
• Al-Ba-Cu-O-Y
• Ba-Cu-Fe-O-Y
• Ba-Cu-O-Y-Yb
• values of critical current density
• alkaline
• antiferromagnetic
• chalcogen
• antiferroelectric
• conductor
• orthorhombic
• tetragonal