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Magnetocaloric effect in La<inf>0.75</inf>Sr<inf>0.25</inf>MnO<inf>3</inf> manganite
Authors
,
V Drozd
+4 more
JF Fagnard
K Pȩkała
M Pȩkała
P Vanderbemden
Publication date
1 November 2010
Publisher
Abstract
The polycrystalline manganite La0.75Sr0.25MnO 3 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 solgel method. © 2010 Elsevier B.V. All rights reserved
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CUED - Cambridge University Engineering Department
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Last time updated on 15/07/2020