Debye temperature of nanocrystalline Fe-Cr alloys obtained by mechanical alloying

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[1] Dubiel, S.M.
[2] Costa, B.F.O.
[3] Cieslak, J.
[4] Batista, A.C.
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Dubiel, S.M. (Stanislaw.Dubiel@fis.agh.edu.pl) | 1600年 / Elsevier Ltd卷 / 649期
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A series on nanocrystalline Fe100-xCrx alloys prepared by mechanical alloying was investigated with X-ray diffraction (XRD); scanning electron microscopy (SEM) and Mössbauer spectroscopy (MS) techniques. XRD was used to structurally characterize the samples whereas MS permitted phase analysis as well as determination of the Debye temperature; θD. Concerning the latter; an enhancement relative to bulk θD-values was revealed in the range of ∼40 ≤ x ≤∼50. In a sample of Fe55.5Cr44.5 two phases were detected viz. (1) crystalline and magnetic with θD = 572 (56) K and (2) amorphous and paramagnetic with θD = 405 (26) K. © 2015 Elsevier B.V. All rights reserved;
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