Chalcogen, Conductor, Metal, Non-disordered, Transitional, Khasanov

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