| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1620422 | Journal of Alloys and Compounds | 2010 | 4 Pages |
Abstract
Magnetic field dependence of the magnetic entropy change (ΔSM) is the key for magnetic refrigeration. A large magnetic entropy change (ΔSM) associated with the ferromagnetic-paramagnetic transition in Ce-doped La0.7Sr0.3MnO3 material has been observed. It is shown for (La0.56Ce0.14)Sr0.3MnO3 composition at the Curie temperature of 357 K, that the maxima of the magnetic entropy changes ΔSMmax upon variation of the applied magnetic field at 1 and 5 T are about 1.55 and 4.78 J kg−1 K−1, respectively. Due to the large (ΔSM) and high Curie temperature, the (La0.56Ce0.14)Sr0.3MnO3 perovskite is suggested to be used as potential magnetic refrigerants for magnetic refrigeration technology above room temperature.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Sami Kallel, Nabil Kallel, Ahmed Hagaza, Octavio Peña, Mohamed Oumezzine,