O-Pm, Rare earth, Transitional

• Ba-Cu-O-Pm
• Ba-Cu-Eu-O
• Ba-Ce-Cu-O
• Ba-Cu-Dy-O
• Ba-Cu-Er-O
• structural properties
• phase transitions
• phase diagram
• superconductivity
• transitional
• chalcogen
• rare earth
• quaternary
• alkaline
• monoclinic
• tetragonal
• orthorhombic
• triclinic