Magnetocaloric properties of metallic nanostructures
Khurram Shehzad Khattak, Amir Aslani, Chidubem Nwokoye, Abid Siddique, Lawrence H. Bennett, E. Della Torre
Abstract
Khurram Shehzad Khattak, Amir Aslani, Chidubem Nwokoye, Abid Siddique, Lawrence H. Bennett, E. Della Torre
Abstract
A compilation of magnetocaloric properties of metallic nanostructures with Curie temperature (TC) between 260 and 340 K has been tabulated. The tabulated data show that nanostructure plays an important role in enhancing the magnetocaloric properties of a material, namely by reducing the peak of magnetic entropy, but broadening of the magnetocaloric effect curve with an average of 10 K sliding window for Curie temperature. A second table lists all bulk metallic and intermetallic materials, in which there is no nanostructural data, with an entropy change of at least 20 J/kg K and a Curie temperature between 260 and 340 K. We propose that further experiments should be made on the nanostructured form of these materials.
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A compilation of magnetocaloric properties of metallic nanostructures with Curie temperature (TC) between 260 and 340 K has been tabulated. The tabulated data show that nanostructure plays an important role in enhancing the magnetocaloric properties of a material, namely by reducing the peak of magnetic entropy, but broadening of the magnetocaloric effect curve with an average of 10 K sliding window for Curie temperature. A second table lists all bulk metallic and intermetallic materials, in which there is no nanostructural data, with an entropy change of at least 20 J/kg K and a Curie temperature between 260 and 340 K. We propose that further experiments should be made on the nanostructured form of these materials.
Key concepts: Magnetic refrigeration, Curie temperature, Materials science, Intermetallic, Nanostructure, Entropy (arrow of time), Condensed matter physics, Metal