Ball Milled Gd Flakes Subjected to Heat Treatments: Structure, Magnetic and Magnetocaloric Properties

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2022-10-23
Autor
Svalov, Andrey V.
Neznakhin, Dmitriy S.
Arkhipov, Andrey V.
Andreev, Sergey V.
Selezneva, Nadezhda V.
Larrañaga Varga, Aitor ORCID
Kurlyandskaya, Galina V. ORCID
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Magnetochemistry 8(11) : (2022) // Article ID 138
URI
http://hdl.handle.net/10810/58430
Resumen
Gd flake samples were prepared by conventional ball milling technique starting from rapidly quenched Gd ribbons and followed by vacuum annealing in different conditions. Heat treatments were conducted in a vacuum at selected temperatures up to 600 K. The structural features, magnetic and magnetocaloric properties were comparatively analyzed. The change in magnetic entropy was calculated using an experimental set of magnetic isotherms measured in a wide range of temperatures. The variations in the refrigeration capacity and the exponent of the magnetic entropy change in the external magnetic field were carefully calculated and analyzed.
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© 2022 by the authors.Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/ 4.0/).
Excepto si se señala otra cosa, la licencia del ítem se describe como © 2022 by the authors.Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/ 4.0/).