Chalcogen, Non-disordered, Kikugawa

• Fe-Se
• O-Ru-Sr
• Ca-O-Ru
• Er-O-S-Te
• O-S-Te-Tm
• magnetic properties
• optical properties
• electronic and electrical properties
• Curie-Weiss paramagnetism
• superconductivity
• chalcogen
• non-disordered
• transitional
• metal
• oxide
• orthorhombic
• triclinic
• tetragonal
• monoclinic
• trigonal