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Study of magnetic properties and Mössbauer effect of Pr‐Fe and melt‐spun Pr‐Fe‐B alloys

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4 Author(s)
Rotenberg, L.R.K. ; Instituto de Física, Universidade de São Paulo, C.P. 20516, 01498 São Paulo, S.P., Brazil ; Oliveira, R.F. ; Rechenberg, H.R. ; Missell, F.P.

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We prepared samples of the intermetallic compound Pr2Fe17 that were free of segregated Fe and measured the Mössbauer spectra as a function of temperature, obtaining TC=301±2 K. Mössbauer spectra from samples of annealed Pr2Fel4B powder show considerable complexity. Melt‐spun ribbons of Prl5Fe79B6, magnetized to 20 kOe, showed an intrinsic coercive field Hci=14.5 kOe at room temperature. Mössbauer spectra of melt‐spun material show slight differences with respect to those from annealed ingots. The origin of these differences is not yet clear.

Published in:

Journal of Applied Physics  (Volume:57 ,  Issue: 8 )