Ba-Cu-Eu-O, Chalcogen, Oxide, Pmmm

• Ba-Cu-Eu-O-Pr
• Ba-Cu-Eu-Gd-O
• Ba-Cu-Eu-O-Pr-Sr
• Ba-Cu-Eu-O-Zn
• superconductivity
• superconducting transition temperature
• electronic and electrical properties
• values of superconducting transition temperature
• conductivity or resistivity
• high-tc superconductor
• cuprate
• alkaline
• chalcogen
• lanthanoid
• orthorhombic
• tetragonal