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|Title:||Magnetic and calorimetric investigations of inverse magnetocaloric effect in Pr0.46 Sr0.54 MnO3|
|Source:||Naik, V.B., Barik, S.K., Mahendiran, R., Raveau, B. (2011-03-14). Magnetic and calorimetric investigations of inverse magnetocaloric effect in Pr0.46 Sr0.54 MnO3. Applied Physics Letters 98 (11) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3567760|
|Abstract:||We investigated magnetic entropy change (Δ Sm) in the A -type antiferromagnet Pr0.46 Sr0.54 MnO3 by magnetic and differential scanning calorimetry (DSC) methods. The field-induced antiferromagnetic to ferromagnetic transition is first-order in nature and is accompanied by a large change in the latent heat as evidenced by the DSC data. The Δ S m shows an inverse magnetocaloric effect (Δ Sm =+9 J kg-1 K-1 for ΔH=7 T) around the Neel temperature (TN =210±2 K) by magnetic measurement, which closely agrees with the calorimetric results. It is suggested that the large positive Δ S m results from a field-induced structural transition that accompanies the destruction of antiferromagnetism. © 2011 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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