Disordered, Metal, Non-disordered, Moessbauer spectra, Trigonal

• Bi-Fe-O
• Fe-O
• Fe-Sm
• Fe-N-Sm
• Fe-Nd
• hyperfine magnetic field
• isomer shift
• values of Moessbauer spectra
• quadrupole splitting
• non-disordered
• metal
• disordered
• transitional
• ferromagnetic