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Microstructure, martensitic transitions, magnetocaloric, and exchange bias properties in Fe-doped Ni-Mn-Sn melt-spun ribbons
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10.1063/1.4794881
/content/aip/journal/jap/113/17/10.1063/1.4794881
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4794881

Figures

Image of FIG. 1.
FIG. 1.

Typical SEM micrographs of NiFeMnSn as-spun ribbons: (a) fractured cross-section, (b)–(d) free surface of different regions.

Image of FIG. 2.
FIG. 2.

Temperature dependence of ZFC and FC magnetization curves () for the annealed NiFeMnSn (x = 0–3) ribbons, measured at a field of 200 Oe.

Image of FIG. 3.
FIG. 3.

(a) Isothermal magnetization curves for annealed NiFeMnSn ribbons obtained at a field of 50 kOe around and , (b) Magnetic entropy changes (Δ) of NiFeMnSn (x = 0–3) annealed ribbons with temperature at a field of 50 kOe around and .

Image of FIG. 4.
FIG. 4.

Magnetic hysteresis loops in small field region measured at 10 K after FC at 20 kOe of the annealed NiFeMnSn (x = 0–3) ribbons, inset shows the variation of the and as a function of temperature from 10 K to 100 K for the annealed NiFeMnSn ribbons.

Tables

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Table I.

The martensitic transformation temperature (), Curie temperature of the austenitic phase (), Curie temperature of the martensitic phase (), blocking temperature (), the valence electron concentration /, magnetic entropy change (Δ), the refrigerant capacity (RC-1 of the +Δ, RC-2 of −Δ), EB field (), and coercivity for NiFe MnSn (x = 0–3) ribbons.

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/content/aip/journal/jap/113/17/10.1063/1.4794881
2013-03-14
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Microstructure, martensitic transitions, magnetocaloric, and exchange bias properties in Fe-doped Ni-Mn-Sn melt-spun ribbons
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4794881
10.1063/1.4794881
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