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EnglishRecent studies of mechanically alloyed Fe-Cu powder mixtures have suggested differences in the local magnetic environment of iron atoms. For a more accurate definition of this point, ball-milled Cu70Fe30 and Cu50Fe50 alloys were investigated by Mossbauer spectroscopy in the, temperature range 4.2-300 K. The low temperature Mossbauer spectra exhibit a broad magnetic pattern. typical of a defect structural configuration. The magnetic splitting strongly decreases with increasing temperature, especially in the case of Cu70Fe30 alloy. But even for this composition there is, at room temperature, an unresolved magnetic pattern. Applying a magnetic field of 3 T, parallel to gamma rays, at 4.2 K a rotation of all magnetic moments along the external field is observed. The samples behave as an alloy with continuously distributed local fields. (C) 2001 Elsevier Science BY. All rights reserved.
Mechanically alloyed Cu-Fe studied by Mossbauer spectroscopy / Principi G; Spataru T; Gupta R; Enzo S; Kuncser V; Filoti G; RI Kuncser Victor-Eugen/C-4299-2011 FILOTI GEORGE/C-5067-2012. - In: JOURNAL OF ALLOYS AND COMPOUNDS. - ISSN 0925-8388. - 326:1-2(2001), pp. 188-192. [10.1016/S0925-8388(01)01301-9]
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| Titolo: | Mechanically alloyed Cu-Fe studied by Mossbauer spectroscopy | |
| Autori: | ||
| Data di pubblicazione: | 2001 | |
| Rivista: | ||
| Citazione: | Mechanically alloyed Cu-Fe studied by Mossbauer spectroscopy / Principi G; Spataru T; Gupta R; Enzo S; Kuncser V; Filoti G; RI Kuncser Victor-Eugen/C-4299-2011 FILOTI GEORGE/C-5067-2012. - In: JOURNAL OF ALLOYS AND COMPOUNDS. - ISSN 0925-8388. - 326:1-2(2001), pp. 188-192. [10.1016/S0925-8388(01)01301-9] | |
| Abstract: | Recent studies of mechanically alloyed Fe-Cu powder mixtures have suggested differences in the local magnetic environment of iron atoms. For a more accurate definition of this point, ball-milled Cu70Fe30 and Cu50Fe50 alloys were investigated by Mossbauer spectroscopy in the, temperature range 4.2-300 K. The low temperature Mossbauer spectra exhibit a broad magnetic pattern. typical of a defect structural configuration. The magnetic splitting strongly decreases with increasing temperature, especially in the case of Cu70Fe30 alloy. But even for this composition there is, at room temperature, an unresolved magnetic pattern. Applying a magnetic field of 3 T, parallel to gamma rays, at 4.2 K a rotation of all magnetic moments along the external field is observed. The samples behave as an alloy with continuously distributed local fields. (C) 2001 Elsevier Science BY. All rights reserved. | |
| Handle: | http://hdl.handle.net/11388/83328 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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