Article (Scientific journals)
Magnetocaloric effect in La0.75Sr0.25MnO3 manganite
Pekala, M.; Pekala, K.; Drozd, V. et al.
2010In Journal of Magnetism and Magnetic Materials, 322 (21), p. 3460-3463
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Keywords :
magnetocaloric effect; magnetic refrigeration; manganites
Abstract :
[en] The polycrystalline manganite La0.75Sr0.25MnO3 prepared by an alternative carbonate precipitation route reveals the rhombohedral perovskite structure. Magnetization isotherms measured up to 2 T are used to determine Curie temperature of 332 K by means of Arrott plot. Maximum of magnetic entropy change is found at Curie temperature. The relative cooling power equal to 64 J/kg for 1.5 T magnetic field, is superior as compared to the manganite with the same chemical composition from the sol–gel method.
Research center :
SUPRATECS - Services Universitaires pour la Recherche et les Applications Technologiques de Matériaux Électro-Céramiques, Composites, Supraconducteurs - ULiège
Disciplines :
Physics
Electrical & electronics engineering
Author, co-author :
Pekala, M.;  University of Warsaw > Department of Chemistry
Pekala, K.;  Warsaw University of Technology
Drozd, V.;  Center for the Study of Matter at Extreme Conditions, Miami, USA
Fagnard, Jean-François  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore)
Vanderbemden, Philippe  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques
Language :
English
Title :
Magnetocaloric effect in La0.75Sr0.25MnO3 manganite
Publication date :
2010
Journal title :
Journal of Magnetism and Magnetic Materials
ISSN :
0304-8853
eISSN :
1873-4766
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
322
Issue :
21
Pages :
3460-3463
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FWB - Fédération Wallonie-Bruxelles [BE]
Available on ORBi :
since 16 August 2010

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