Ba0.5CuLa1.5O4, Chalcogen, Lanthanoid, Metal, Quaternary

• Ba-Cu-La-O
• superconductivity
• magnetic properties
• superconducting transition temperature
• phase transitions
• structural transitions
• lanthanoid
• high-tc superconductor
• alkaline
• chalcogen
• metal
• tetragonal
• orthorhombic