Chalcogen, Non-disordered, Transitional, Khasanov

• Fe-Se
• Fe-Se-Te
• Co-La-O-P
• Cu-Gd-O-Ru-Sr
• As-Fe-O-Sm
• magnetic properties
• structural properties
• magnetic transitions
• superconductivity
• resonance spectra
• chalcogen
• transitional
• non-disordered
• metal
• antiferromagnetic
• tetragonal
• orthorhombic
• trigonal
• triclinic
• cubic