During the crystallization of some amorphous alloys, Fe atoms segregate from the residual amorphous matrix into bcc-Fe crystalline grains. Consequently, the chemical and/or topological short-range order of amorphous remainder is being changed which gives rise to regions depleted in Fe atoms. On the other hand, the nearest surroundings of these Fe atoms are enriched in other constituent elements. As a result, the hyperfine fields experienced by Fe atoms are lowered inside these regions. Considerable fraction of iron is even located in non-magnetic sites. Hyperfine field distributions (HFD) provide information about the structure and magnetic states of atoms located in different structural positions. The position and intensity of HFD peaks reflect the respective short-range orders, and their areas give relative fraction of the corresponding hyperfine interactions. Detailed analysis of three-dimensional HFD mappings provides a support for the interpretations presented in Part I, the previous paper.
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