Chalcogen, Disordered, Kikugawa

• Fe-Se
• Ca-O-Ru
• O-S-Tb-Te
• Ce-O-S-Te
• Cu-La-O-Sr
• magnetic properties
• magnetic susceptibility
• optical properties
• superconductivity
• structural transitions
• disordered
• chalcogen
• transitional
• metal
• antiferromagnetic
• orthorhombic
• monoclinic
• tetragonal
• trigonal