Chalcogen, Metal, Khasanov

• Fe-Se
• Fe-Se-Te
• Fe-Rb-Se
• Ba-Cu-La-O
• As-Fe-O-P-Sm
• magnetic properties
• superconductivity
• resonance spectra
• muon spin spectra
• magnetic transitions
• metal
• chalcogen
• transitional
• conductor
• disordered
• tetragonal
• orthorhombic
• trigonal
• monoclinic