Non-coplanar square 4-vertex, Transitional

• Ba-Cu-O-Y
• Cu-La-O-Sr
• Fe-Se-Te
• Fe-Se
• As-Ba-Fe
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• magnetic properties
• superconductivity
• transitional
• chalcogen
• disordered
• non-disordered
• oxide
• tetragonal
• orthorhombic
• monoclinic
• cubic
• hexagonal