Ba-Cu-O-Y, Critical magnetic field, Octahedron 6-vertex

• Ba-Cu-O-Pr-Y
• Ba-Cu-O-Y-Zn
• Ba-Cu-Ni-O-Y
• Ba-Co-Cu-O-Y
• upper critical magnetic field
• temperature derivative of upper critical magnetic field
• lower critical magnetic field
• values of critical magnetic field
• high-tc superconductor
• disordered
• alkaline
• chalcogen
• rare earth
• orthorhombic
• tetragonal