Neutron-scattering investigation of Co- and Fe-based amorphous alloysстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Amorphous magnetic metallic Co66Fe4B15Si15 and Fe76.8Ni1.2B13.2Si8.8 alloys were investigated with a time-of-flight small-angle-scattering spectrometer. Also, a structural factor and a total pair correlation function for the amorphous magnetic metallic alloy Co66Fe4Si15B15 were obtained using the-neutron diffraction method. It was found that cryogenic treatment of the samples (during some hours of conditioning at liquid-nitrogen temperature) affected only the short-range order up to similar to1.5 nm, although low-temperature annealing at temperatures lower than 670 K leads to structural changes at distances larger than 30 run. The short-range-order change is explained in the framework of structural relaxation. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.