Chalcogen, Conductor, Transitional, Khasanov

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