Disordered, Ferromagnetic, Metal, Transitional, Values of moessbauer spectra

• Fe-O
• Co-Fe-O
• Ba-Cu-Fe-O-Y
• Fe-O-Sr
• Fe-O-Zn
• transitional
• disordered
• metal
• ferromagnetic
• rare earth
• cubic
• tetragonal
• hexagonal
• trigonal
• orthorhombic