Ba-Cu-O-Y, Mechanical properties, Non-disordered, Tetrahedron 4-vertex

• Ba-Cu-Fe-O-Y
• Ba-Co-Cu-O-Y
• Ba-Cu-O-Pt-Y
• Ba-Cu-O-Sr-Y
• elastic moduli
• compressibility
• sound velocity
• elasticity
• isothermal linear compressibility
• non-disordered
• rare earth
• alkaline
• chalcogen
• transitional
• orthorhombic
• tetragonal