Moessbauer study of the effect of Nb in Fe-based nanocrystalline alloy

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Microstructure of nanocrystalline alloys of Fe73.5Cu1Nb3Si13.5B9 and (Fe3Si)0.95Nb0.05 was investigated by Moessbauer spectroscopy.A Nb-rich interfacial layer with weak magnetism formed in the residual amprphous phase of these materials .It has an importa
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