Bi-Fe-O, Moessbauer spectra, Trigonal

• Bi-Ca-Fe-O
• Bi-Fe-Nd-O
• Bi-Ca-Fe-Nb-O
• Bi-Dy-Fe-Nb-O-Pb
• values of Moessbauer spectra
• isomer shift
• hyperfine magnetic field
• quadrupole splitting
• transitional
• pnictogen
• chalcogen
• disordered
• oxide