Abstract
The Mössbauer technique has been used to measure hyperfine magnetic fields, isomer shifts and relative areas of 57Fe atoms located at various sites in Fe3Al x Si1−x series with x = 0, 0.3, 0.5, 0.7. Four samples were crushed; then they were annealed for 10 h at 1,023 K and cooled down at 3°/min in order to recover the DO3 stable phase. Mössbauer studies revealed that annealed samples have a DO3 structure, whereas deformed samples are partially disordered, with both ordered DO3 and disordered A2 structures, even though X-rays measurements do not show superstructure peaks. The amount of disordered structure decreases with Si content.
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Legarra, E., Plazaola, F., Garitaonandia, J.S. et al. Systematic study of mechanical deformation on Fe3Al x Si1−x powders by Mössbauer spectroscopy. Hyperfine Interact 169, 1217–1222 (2006). https://doi.org/10.1007/s10751-006-9427-x
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DOI: https://doi.org/10.1007/s10751-006-9427-x