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Magnetocaloric effect in La<inf>0.75</inf>Sr<inf>0.25</inf>MnO<inf>3</inf>manganite

Pȩkała, M and Pȩkała, K and Drozd, V and Fagnard, JF and Vanderbemden, P (2010) Magnetocaloric effect in La<inf>0.75</inf>Sr<inf>0.25</inf>MnO<inf>3</inf>manganite. Journal of Magnetism and Magnetic Materials, 322. pp. 3460-3463. ISSN 0304-8853

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The polycrystalline manganite La 0.75 Sr 0.25 MnO 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.

Item Type: Article
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:18
Last Modified: 11 Jan 2018 02:54