Abstract

The influence of structural relaxation caused by long time annealing on magnetic properties of Fe30Ni44Cr4Mo2B15Si5 metallic glasses is investigated by Mossbauer spectroscopy and by magnetization measurements. Remarkable hyperfine field distribution shift to the high field region and increase of the value of exchange constant and Curie temperature are observed after annealing. The observed findings are discussed in terms of the possible annealing induced effects on the local short-range order around the magnetic atoms in investigated samples.

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