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Effect of post-annealing on the phase transitions and magnetocaloric properties in bulk Ni44Mn45Sn11 alloy
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10.1063/1.4795741
/content/aip/journal/jap/113/17/10.1063/1.4795741
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4795741

Figures

Image of FIG. 1.
FIG. 1.

XRD patterns of the as-prepared, 200 °C-annealed, 300 °C-annealed, and 350 °C-annealed bulk NiMnSn alloy samples at room temperature.

Image of FIG. 2.
FIG. 2.

Temperature dependence of magnetization for the as-prepared, 200 °C-annealed, 300 °C-annealed, and 350 °C-annealed bulk NiMnSn alloy samples on heating and cooling under a magnetic field of 200 Oe.

Image of FIG. 3.
FIG. 3.

Isothermal magnetization M(H) curves for the as-prepared bulk NiMnSn alloy sample around its MT temperature. The temperature step is 2 K.

Image of FIG. 4.
FIG. 4.

Magnetic entropy change Δ as a function of temperature for the as-prepared, 200 °C-annealed, 300 °C-annealed, and 350 °C-annealed bulk NiMnSn alloy samples in field of 50 kOe.

Tables

Generic image for table
Table I.

The values of lattice constant a and cell volume V of austenite at room temperature, martensite start temperature , Curie temperature of the austenitic phase ( ), magnetic entropy change Δ, and refrigeration capacity RC for the as-prepared, 200 °C-annealed, 300 °C-annealed, and 350 °C-annealed bulk NiMnSn alloy samples.

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/content/aip/journal/jap/113/17/10.1063/1.4795741
2013-04-10
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of post-annealing on the phase transitions and magnetocaloric properties in bulk Ni44Mn45Sn11 alloy
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4795741
10.1063/1.4795741
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