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Normal and inverse magnetocaloric effects in ferromagnetic Pr0.58Sr0.42MnO3
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10.1063/1.4793599
/content/aip/journal/jap/113/17/10.1063/1.4793599
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4793599
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Temperature dependence of the dc magnetization () for PrSrMnO (x = 0.00, 0.02, and 0.04) for 0.1 T while cooling and warming. The inset (a) shows () at 10 K for x = 0.00, 0.02, and 0.04.

Image of FIG. 2.
FIG. 2.

(a) Temperature dependence of the dc magnetization () for PrSrMnO under different magnetic fields. denotes the structural transition temperature. (b) Magnetization isotherms for T = 50-350 K.

Image of FIG. 3.
FIG. 3.

(a) The magnetic entropy change (−Δ) as a function of temperature for different . The inset shows the refrigeration capacity, RC (left scale), and peak values of -Δ (right scale) as a function of applied field. (b) Scaling of normalized ΔS/ΔS ( ) versus reduced temperature θ = ()/() curves for different magnetic fields. The inset shows the temperature dependence of the exponent () in the power law dependence Δ() = .

Image of FIG. 4.
FIG. 4.

(a) Resistivity (ρ) versus magnetic entropy change (−Δ) at selected temperatures extracted from their field dependence. (b) Magnetoresistance (−Δρ/ρ) versus magnetic entropy change (Δ) for  >  and (c)  < .

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/content/aip/journal/jap/113/17/10.1063/1.4793599
2013-03-06
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Normal and inverse magnetocaloric effects in ferromagnetic Pr0.58Sr0.42MnO3
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4793599
10.1063/1.4793599
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