Moessbauer study on ferromagnetic shape memory alloys Ni(2)Mn(1-x)Fe(x)Ga

Moessbauer study on ferromagnetic shape memory alloys Ni(2)Mn(1-x)Fe(x)Ga

The (57)Fe Moessbauer effect measurements were carried out for Ni(2)Mn(1-x)Fe(x)Ga with 0.3 < = x < = 0.7. The spectra were described satisfactorily with one Lorentzian sextet, which was consistent with the atomic ordering of the L2(1) structure. The obvious change in the absolute value of the...

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Veröffentlicht in:Journal of alloys and compounds 2009-11, Vol.488 (1), p.243-245
Hauptverfasser: Amako, Y, Taniguchi, Y, Magatani, K, Kikuchi, D, Nakashima, M, Kanomata, T
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Sprache:eng
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Zusammenfassung:The (57)Fe Moessbauer effect measurements were carried out for Ni(2)Mn(1-x)Fe(x)Ga with 0.3 < = x < = 0.7. The spectra were described satisfactorily with one Lorentzian sextet, which was consistent with the atomic ordering of the L2(1) structure. The obvious change in the absolute value of the (57)Fe hyperfine field (B(hf)) at the martensitic transformation temperature was observed. B(hf) at 80 K was 22.3 T and independent of x.
ISSN:0925-8388
DOI:10.1016/j.jallcom.2009.08.096