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

  • Adly H. El-Sayed
  • Mahmoud A. Hamad
Original Paper

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.

Keywords

Magnetocaloric effect LPCMO Magnetic entropy change 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Physics Department, Faculty of ScienceAlexandria UniversityAlexandriaEgypt
  2. 2.Basic Science Department, High Institute of Engineering and TechnologyKing Marriott AcademyAlexandriaEgypt

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