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Strong Correlation Between the Magnetocaloric Properties of Nanotubes of La0.325Pr0.3Ca0.375MnO3 and their Diameters

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Abstract

Under 0.01 T applied magnetic field variation, the calculation of magnetocaloric properties for 200 and 800 nm nanotubes of La0.325Pr0.3Ca0.375MnO3 (LPCMO) perovskite such as magnetic entropy change, full-width at half-maximum (δT FWHM), relative cooling power, and magnetic specific heat change have been done. Magnetocaloric properties of 800-nm nanotubes of LPCMO is more than MCE of 200 nm ones. LPCMO nanotubes have hopeful application for magnetic refrigeration (MR) in an extended high-temperature range due to high values of \(\delta T_{\text {FWHM}}\). Therefore, nanotubes of LPCMO are very significant for MR applications, especially nitrogen liquefier.

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Authors and Affiliations

  1. Physics Department, Faculty of Science, Alexandria University, Alexandria, Egypt

    Adly H. El-Sayed

  2. Basic Science Department, High Institute of Engineering and Technology, King Marriott Academy, Alexandria, Egypt

    Mahmoud A. Hamad

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  1. Adly H. El-Sayed
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  2. Mahmoud A. Hamad
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Correspondence to Mahmoud A. Hamad.

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El-Sayed, A.H., Hamad, M.A. Strong Correlation Between the Magnetocaloric Properties of Nanotubes of La0.325Pr0.3Ca0.375MnO3 and their Diameters. J Supercond Nov Magn 31, 4091–4094 (2018). https://doi.org/10.1007/s10948-018-4682-z

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  • DOI: https://doi.org/10.1007/s10948-018-4682-z

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