Abstract
A series of ferromagnetic alloys Fe2Cr(1−x)Mn x Al were prepared by arc melting for x = 0 to 0.05. The alloys are single phased, but disordered with B2 type structure. Variation of the lattice parameter with concentration of Mn is smooth with a maximum occurring at x = 0.02. Highest Curie temperature (T C ) corresponds to sample with x = 0.02. Mössbauer spectra for these alloys show the presence of a paramagnetic peak along with the magnetic hyperfine field. This coexistence can be explained by clustering of Mn atoms. The hyperfine field distribution shows the presence of a single, broad component of field. The variation of this component as well as saturation magnetization follows the variation in the lattice parameter with concentration of Mn. Mössbauer and X-ray studies point to the disorder present in these alloys.
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Lakshmi, N., Venugopalan, K., Agarwal, V.K. (2004). Study of Disordered Fe2Cr(1−x)MnxAl Alloys. In: Elzain, M.E., Yousif, A.A., al Rawas, A.D., Gismelseed, A.M. (eds) ICAME 2003. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2852-6_81
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DOI: https://doi.org/10.1007/978-1-4020-2852-6_81
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