High-tc superconductor, K2NiF4 tI14 139

• Cu-La-O-Sr
• Cu-La-O
• O-Ru-Sr
• Ba-Cu-La-O
• La-Ni-O
• structural properties
• magnetic properties
• electronic and electrical properties
• conductivity or resistivity
• magnetic susceptibility
• high-tc superconductor
• cuprate
• ruddlesden-popper
• transitional
• chalcogen
• tetragonal
• orthorhombic