Van der beek

• Ca-La-Mn-O
• As-Ba-Fe-K
• Ba-Cu-Gd-O
• As-F-Fe-Nd-O
• As-Fe-O-Pr
• superconductivity
• magnetic properties
• electronic and electrical properties
• conductivity or resistivity
• superconducting transition temperature
• transitional
• chalcogen
• disordered
• rare earth
• lanthanoid
• tetragonal
• orthorhombic
• monoclinic