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Magnetocaloric properties of La0.6Ca0.4MnO3

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Abstract

A theoretic work on magnetocaloric properties of the polycrystalline La0.6Ca0.4MnO3 system near a second-order phase transition from a ferromagnetic to a paramagnetic state is presented. The value of the magnetocaloric effect has been determined from the calculation of magnetization as a function of temperature under different external magnetic field shifts. The magnetic entropy change ∆S M reaches a peak of about 3 J kg−1 K−1 at 266 K upon 1.60 KA/m applied field variation. The ∆S M distribution is much more uniform than that of gadolinium, which is desirable for an Ericson-cycle magnetic refrigerator, which is beneficial for the household application of active magnetic refrigerant materials.

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  1. Department of Physics, College of Science, Al-Jouf University, P.O. Box 2014, Skaka, Al-Jouf, Saudi Arabia

    Mahmoud Aly Hamad

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  1. Mahmoud Aly Hamad
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Hamad, M.A. Magnetocaloric properties of La0.6Ca0.4MnO3 . J Therm Anal Calorim 113, 609–613 (2013). https://doi.org/10.1007/s10973-012-2723-6

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  • DOI: https://doi.org/10.1007/s10973-012-2723-6

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