R. Sato Turtelli, D. Triyono, G. Wiesinger, M. Reissner, W. Steiner, J.P. Sinnecker, G. Badurek, R. Grössinger:
"Magnetic properties and Mössbauer effect study of Nd60Fe30Al10 ribbons";
Journal of Alloys and Compounds, 369 (2004), S. 162 - 165.

Kurzfassung englisch:
Magnetic properties and Mössbauer effect study of Nd60Fe30Al10 ribbons

R. Sato Turtelli [Corresponding Author Contact Information] , [E-mail The Corresponding Author] , a, D. Triyono a, G. Wiesinger a, M. Reissner a, W. Steiner a, J. P. Sinnecker b, G. Badurek c and R. Grössinger a

a Institut für Festkörperphysik, Vienna University of Technology, TU-Wien, Wiedner Hauptstraße 8, A-1040, Vienna, Austria
b Instituto de Física, UFRJ, CP 68528, 21945-970, Rio de Janeiro, Brazil
c Institut für Kernphysik, TU-Wien, Wiedner Hauptstraße 8, A-1040, Vienna, Austria

Available online 1 December 2003.


The magnetic properties of Nd60Fe30Al10 ribbons were studied in the as-cast state as well as after annealing. The anomaly observed in the temperature dependence of the ac-susceptibility depends on frequency and the superposed dc-field and disappears when the wheel-side surface of the ribbon up to a thickness of 9 [small mu, Greek] m is removed. On the contrary, the 57 Fe Mössbauer spectra show always two peaks in the hyperfine field distribution which are correlated to high and low magnetic moments, independent of the heat- and surface treatments. The intrinsic coercivity shows a strong time dependence for the whole temperatures range.

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