Chalcogen, Conductor, Metal, Non-disordered, Khasanov

• Fe-Se
• Fe-Se-Te
• Cu-Gd-O-Ru-Sr
• Bi-O-S
• As-Fe-O-Sm
• magnetic properties
• superconductivity
• muon spin spectra
• resonance spectra
• superconducting transition temperature
• non-disordered
• chalcogen
• conductor
• metal
• transitional
• tetragonal
• orthorhombic
• trigonal