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JOURNAL OF APPLIED PHYSICS
Volume 97, Issue 10, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.1849554
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This article reports the magnetocaloric effect in a single crystal Pr0.63Sr0.37MnO3, which undergoes a very sharp ferromagnetic-to-paramagnetic phase transition at similar to 300 K. A large magnetic entropy change of 8.52 J/kg K and a large adiabatic temperature change of 5.65 K for an applied field change of 50 kOe were observed around 300 K; this allows water to be used as a heat transfer fluid in the room-temperature magnetic refrigeration regime. The distribution of entropy change (Delta S-M) was found to be very uniform and which is desirable for an Ericson-cycle magnetic refrigerator. The large magnetic entropy change induced by a relatively low magnetic field change is beneficial for household application. (c) 2005 American Institute of Physics.
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