Ba-Cu-O-Y, Mechanical properties, Orthorhombic, Tetrahedron 4-vertex

• Ba-Ca-Cu-O-Y
• Ba-Cu-O-Sr-Y
• Ba-Co-Cu-O-Y
• Ba-Cu-Ni-O-Y
• elastic moduli
• compressibility
• sound velocity
• elasticity
• isothermal bulk modulus
• transitional
• alkaline
• chalcogen
• rare earth
• disordered