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Mössbauer effect studies of Dy ( Mn 0 . 4 − x Al x Fe 0 . 6 ) 2 compounds
| Content Provider | Semantic Scholar |
|---|---|
| Author | Stocha, P. Pszczołaa, J. Guzdeka, P. Wzoreka, M. Jabłónskab, A. Suwalskib, J. Dąbrowskib, L. Pántac, A. |
| Copyright Year | 2004 |
| Abstract | It was previously found that the magnetic hyperfine fields observed at 57Fe nuclei (4.2 K) in the Dy(Mn 1−xFex)2 and Dy(Fe1−xCox)2 intermetallics form a Slater–Pauling curve. Both 3d subbands in the Dy(Mn 0.4Fe0.6)2 compound are filled up only partially with 3d electrons. The consequence of Mn/Al substitution, in the Dy(Mn 0.4Fe0.6)2 compound was studied in the present paper. For this purpose the synthesis and X-ray analysis (300 K) of the series Dy(Mn 0.4−xAl xFe0.6)2 were performed. The cubic, MgCu 2-type Fd3m crystal structure was observed across the series. Nevertheless for x = 0.35 and 0.40 a stoichiometric admixture of the hexagonal, MgZn 2-type, P63/mmc was evidenced. 57Fe Mössbauer effect measurements for the series were performed at 4.2 K. The magnetic hyperfine fields form a separate branch of the Slater–Pauling curve. This branch is compared to the magnetic hyperfine field previously obtained for the Dy(Mn 0.4Fe0.6−xAl x)2 series (the Fe/Al substitution). The possible 3d electron band structure is discussed qualitatively within the Stoner model. © 2004 Elsevier B.V. All rights reserved. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.zfcs.agh.edu.pl/pdf/DyMnFeAl_2.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
