Ba-Cu-O-Pr, Chalcogen, Transitional, Pr-x polyhedra

• Ba-Cu-O-Pr-Y
• Ba-Ca-Cu-O-Pr
• Ba-Cu-Eu-O-Pr
• Ba-Cu-Gd-O-Pr
• magnetic properties
• electronic and electrical properties
• thermal and thermodynamic properties
• conductivity or resistivity
• superconductivity
• lanthanoid
• rare earth
• alkaline
• chalcogen
• transitional
• orthorhombic
• tetragonal
• cubic
• monoclinic