Magnetocaloric Effect in the Laves Phase of GdNi2 in Strong Magnetic Fields

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Experimental studies of the magnetic and magnetocaloric properties of the Laves phase of GdNi2 have been carried out in external static up to 3 T and pulsed up to 50 T magnetic fields. It has been found that in a magnetic field of 3 T the change in the magnetic entropy of the alloy reaches its maximum value ΔSm = −8 J/(kg K) in the vicinity of the Curie temperature TC = 73.6 K. The corresponding adiabatic temperature change in this case, calculated by an indirect method, is ΔTad ≈ 3 K. The maximum value of the adiabatic temperature change measured by the direct method in a pulsed magnetic field of 50 T at T0 = 77 K, was equal to ΔTad = 15 K, which agrees well with theoretical predictions.

作者简介

A. Kamantsev

Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences

Email: shchichko.marina.csu@gmail.com
Moscow, 125009 Russia

V. Koledov

Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences

Email: shchichko.marina.csu@gmail.com
Moscow, 125009 Russia

V. Shavrov

Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences

Email: shchichko.marina.csu@gmail.com
Moscow, 125009 Russia

D. Plakhotskiy

Chelyabinsk State University

Email: shchichko.marina.csu@gmail.com
Chelyabinsk, 454001 Russia

M. Bogush

Chelyabinsk State University

Email: shchichko.marina.csu@gmail.com
Chelyabinsk, 454001 Russia

M. Utarbekova

Chelyabinsk State University

Email: shchichko.marina.csu@gmail.com
Chelyabinsk, 454001 Russia

M. Orshulevich

Chelyabinsk State University

编辑信件的主要联系方式.
Email: shchichko.marina.csu@gmail.com
Chelyabinsk, 454001 Russia

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版权所有 © М.В. Утарбекова, М.А. Оршулевич, А.П. Каманцев, В.В. Коледов, В.Г. Шавров, Д.В. Плахотский, М.Ю. Богуш, 2023