Abstract
As-cast ferromagnetic amorphous alloys of nominal composition (FeTM)/sub 80/B/sub 20/ have been studied by Mossbauer spectroscopy, being TM one transition metal atom, Ni, Cr, Mo or Pd. A detailed analysis of the isomer shift, IS, and hyperfine field distribution, HFD, at Fe sites is reported in order to achieve some conclusions about the chemical short range order and the electronic structure in these alloys. HFD changes found in (FeNi)B for Ni rich concentrations suggest the existence of Fe atoms strongly interacting with Ni. Small amounts of Cr and Mo shift the HFD to lower values of hyperfine field, B/sub hf/, while Pd enhances the B/sub hf/. >
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