Abstract
Fe–Y amorphous alloy ribbons were prepared by the melt spinning method and characterized by X-ray diffraction, Mössbauer spectroscopy and inelastic neutron scattering. X-ray diffraction demonstrates that the Fe0.7Y0.3 ribbons are completely amorphous, whereas the Fe0.3Y0.7 ribbons contain a small fraction of crystalline Y precipitates in the amorphous Fe–Y matrix. Mössbauer spectroscopy between 4.2 to 300 K reveals the amorphous nature of the Fe–Y matrix and the Fe0.7Y0.3 ribbons. The preliminary neutron scattering results S(Q, ω) show excess low energy vibrational modes which gives rise to the so called “boson peak” in this amorphous material.
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Sahoo, B., Kuncser, V., Keune, W. et al. Mössbauer spectroscopical investigation of amorphous Fe–Y alloy ribbons prepared by melt spinning. Hyperfine Interact 165, 175–181 (2005). https://doi.org/10.1007/s10751-006-9262-0
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DOI: https://doi.org/10.1007/s10751-006-9262-0