Non-disordered, Transitional, Orthorhombic, Trigonal bipyramid 5-vertex

• Ba-Cu-O-Y
• Cu-La-O
• Ba-Cu-O-Pr
• Ba-Cu-Er-O
• Ba-Cu-Ho-O
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• magnetic properties
• superconductivity
• non-disordered
• transitional
• chalcogen
• oxide
• rare earth