Abstract
F.C.C. Fe–30.3%Ni and Fe–30.5%Ni–1.5%C (wt.%) alloys were studied by means of Mössbauer spectroscopy in external magnetic field B ext = 2.5, 5, 7 T parallel to the gamma-beam. It is shown that distribution of effective magnetic field in the alloys is broad and that carbon expands the range of B eff. The external magnetic field increases B eff in the Fe–Ni alloy and decreases it more evidently in the Fe–Ni–C alloy. Antiferromagnetic spin coupling along the ferromagnetic component is proposed to explain data.
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Nadutov, V.M., Ericsson, T., Kosintsev, S.G. et al. Mössbauer study of the invar Fe–Ni and Fe–Ni–C alloys in magnetic field. Hyperfine Interact 168, 1023–1027 (2006). https://doi.org/10.1007/s10751-006-9388-0
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DOI: https://doi.org/10.1007/s10751-006-9388-0