1991, Disordered, Fe, Moessbauer spectra

• Ba-Cu-Fe-O-Y
• Bi-Fe-O-Pb-Sr
• Ca-Dy-Fe-O-Sn
• Ba-Ca-Cu-Fe-O-Y
• Ca-Er-Fe-O-Sn
• hyperfine magnetic field
• values of Moessbauer spectra
• quadrupole splitting
• isomer shift
• disordered
• transitional
• rare earth
• lanthanoid
• ferromagnetic
• tetragonal
• cubic
• trigonal
• hexagonal
• orthorhombic