Ben salem

• Ba-Cu-O-Y
• Al-Ba-Cu-O-Y
• B-Ba-Cu-O-Y
• La-O-P-Si-Sr
• O-P-Sr
• structural properties
• superconductivity
• conductivity or resistivity
• electronic and electrical properties
• optical properties
• chalcogen
• alkaline
• transitional
• rare earth
• quaternary
• orthorhombic
• hexagonal
• tetragonal
• monoclinic