Ba-Cu-O-Y, Chalcogen, Crystal cell, Orthorhombic

• Ba-Ca-Cu-O-Y
• Ba-Cu-La-O-Y
• Ba-Cu-O-Sr-Y
• Ba-Cu-O-Pr-Y
• mechanical properties
• compressibility
• thermal and thermodynamic properties
• thermal expansion
• thermal cell parameters change
• transitional
• alkaline
• rare earth
• chalcogen
• oxide