Antiferromagnetic, Transitional, Karkin

• Fe-O
• As-Ca-Fe
• As-Eu-Fe
• As-Fe-Sr
• Ba-Cu-O-Y
• electronic and electrical properties
• conductivity or resistivity
• electrical resistivity
• Hall effect
• Hall coefficient
• antiferromagnetic
• transitional
• metal
• conductor
• superconductor
• tetragonal
• orthorhombic
• cubic
• monoclinic
• trigonal