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Research Article | Open Access

Magnetocaloric effect in La0.7Sr0.3MnO3/Ta2O5 composites

Physics Department, College of Science, Al Jouf University, Al Jouf, Skaka, P.O. Box 2014, Saudi Arabia
Physics Department, Faculty of Science, Tanta University, Tanta, Egypt
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Abstract

The magnetocaloric effect (MCE) achieved for La0.7Sr0.3MnO3/Ta2O5 composites has been investigated. The maximum value of magnetic entropy change of La0.7Sr0.3MnO3 composites is found to decrease slightly with the further increasing of Ta2O5 concentration. It is shown that La0.7Sr0.3MnO3/Ta2O5 composites exhibit much more uniform magnetic entropy change than that of gadolinium. Moreover, the results indicate that the temperature range between 100 K and 400 K can be covered using the La0.7Sr0.3MnO3/Ta2O5 composites. Therefore, MCE makes the composites promising for room-temperature magnetic cooling applications.

Keywords

magnetic materialssimulation and modeling

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Journal of Advanced Ceramics
Volume 2 Issue 3,
September 2013
Pages 213-217
DOI: 10.1007/s40145-013-0062-0

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Cite this article:
HAMAD MA. Magnetocaloric effect in La0.7Sr0.3MnO3/Ta2O5 composites. Journal of Advanced Ceramics, 2013, 2(3): 213-217. https://doi.org/10.1007/s40145-013-0062-0

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Received: 06 March 2013
Accepted: 04 April 2013
Published: 07 September 2013
© The author(s) 2013

Open Access: This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.