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Direct observation of the magnetic-field-induced entropy change in giant magnetocaloric alloys
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10.1063/1.1968431
/content/aip/journal/apl/86/26/10.1063/1.1968431
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/26/10.1063/1.1968431
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Calorimetric curves recorded sweeping the field (increasing and decreasing at ) in a sample at selected temperatures. (b) and (c) show the entropy change as a function of temperature increasing and decreasing , respectively, at different field rates (0.1 and ).

Image of FIG. 2.
FIG. 2.

(Color online) The change in with respect to the stationary value , obtained from DSC measurements at in samples A and B , as a function of the cycle number. An integer is used for a cycle increasing and the integer-and-a-half for the same cycle decreasing . The field rate used is , except for solid (blue) circles, corresponding to . The stationary values for samples A and B, increasing , are 16.64 and , respectively. Solid lines are fits using two exponential decays, for increasing and decreasing .

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/content/aip/journal/apl/86/26/10.1063/1.1968431
2005-06-21
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Direct observation of the magnetic-field-induced entropy change in Gd5(SixGe1−x)4 giant magnetocaloric alloys
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/26/10.1063/1.1968431
10.1063/1.1968431
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