57Fe and 119Sn Mössbauer Effect Study of Fe‐Sn‐B Amorphous Alloys
Ribbons of Fe100−xSn5Bx (x = 15, 17, 20) metallic glass are studied using 57Fe and 119Sn Mossbauer spectrometry. The obtained Mossbauer spectra are evaluated by distributions of hyperfine magnetic fields in addition to crystalline components. The as‐quenched alloys are XRD amorphous for x =15 and 17 whereas for x =20, traces of quenched‐in crystallites are revealed. Progress of crystallization is followed on samples annealed for 30 min at temperatures that cover the first crystallization peak. The evolution of crystalline fraction as well as average values of hyperfine magnetic fields and isomer shifts are discussed as a function of the alloy composition and temperature of annealing.