Ba-Cu-O-Y, Oxide, Structural properties, Tetrahedron 4-vertex

• Ba-Ca-Cu-O-Y
• Ba-Cu-La-O-Y
• Ba-Cu-O-Sr-Y
• Ba-Cu-O-Y-Zn
• mechanical properties
• compressibility
• thermal and thermodynamic properties
• thermal expansion
• rare earth
• chalcogen
• alkaline
• oxide
• transitional
• orthorhombic
• tetragonal