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Magnetocaloric effect in spherical and their hydrides for active magnetic regenerator-type refrigerator
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10.1063/1.3070658
/content/aip/journal/jap/105/7/10.1063/1.3070658
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3070658
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Figures

Image of FIG. 1.
FIG. 1.

SEM-SE images of the sphere obtained by the REP in (a) as-prepared state and (b) after annealing at 1323 K for 168 h, together with those of the slowly solidified ingot in (c) as-prepared state and (d) after annealing at 1323 K for 240 h.

Image of FIG. 2.
FIG. 2.

Thermomagnetization curves for the sphere obtained by the REP after annealing at 1323 K for various times . The arrows indicate the Curie temperature .

Image of FIG. 3.
FIG. 3.

Temperature dependence of magnetic entropy change for the sphere obtained by the REP in the field change of 1 T. Curve A: one sphere in as-annealed state, B: one sphere, and C: 50 spheres after hydrogen absorption.

Image of FIG. 4.
FIG. 4.

Magnetization curves at 190 and 205 K for the sphere of with a nominal composition of . The arrows indicate the sweep direction of magnetic field. The inset shows the temperature dependence of magnetic entropy change in the field change of 2 T.

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/content/aip/journal/jap/105/7/10.1063/1.3070658
2009-03-24
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetocaloric effect in spherical La(FexSi1−x)13 and their hydrides for active magnetic regenerator-type refrigerator
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3070658
10.1063/1.3070658
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