Low-Temperature Magnetization, Calorimetric Properties, and Magnetocaloric Effect of Europium Chalcogenides EuSe and EuSe₀.₉₀S₀.₁₀

IF 2.1 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Magnetics Pub Date : 2024-07-18 DOI:10.1109/TMAG.2024.3430866

Julieth Caro Patiño;Denis Paulo Neto;Angelo Marcio Gomes

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Abstract

We present the experimental results of the magnetic and calorimetric properties as well as the magnetocaloric effect of the

$\text {EuSe}_{1-x}\textit {S}_{x}$

compounds with

$x = 0$

and 0.03, whose final composition was 0.10. In this family of samples, we observe a competition of antiferromagnetic, ferrimagnetic, and ferromagnetic behavior for low temperatures between 2.5 and 40 K. The magnetocaloric quantities

$\Delta {S}_{\text {M}}$

and

$\Delta T_{\text {ad}}$

have high values for the two compounds of

$32.5~{\text {J}\,\text {kg}^{-1}\text {K}^{-1}}$

(9.8 K) for EuSe and

$29.3~{\text {J}\,\text {kg}^{-1}\text {K}^{-1}}$

(9.1 K) for EuSe090S010, respectively. The results indicated that these alloys are good candidates for gas liquefaction in cryogenics temperatures.

查看原文本刊更多论文

硒化铕和硒化铕0.90S0.10的低温磁化、量热特性和磁ocaloric效应

我们展示了 x = 0$ 和 0.03 的 $text {EuSe}_{1-x}\textit {S}_{x}$ 复合物的磁性和热量特性以及磁致效应的实验结果，其最终成分为 0.10。在这一系列样品中，我们观察到在 2.5 至 40 K 的低温条件下，反铁磁性、铁磁性和铁磁性的竞争行为。磁致性量 $\Delta {S}_{text {M}}$ 和 $\Delta T_{text {ad}}$ 在 32.5~{text {J}\,\text {kg}^{-1}\text {K}^{-1}}$ (9.8 K)，EuSe 和 EuSe090S010 分别为 29.3~{text {J}\,\text {kg}^{-1}\text {K}^{-1}}$ (9.1 K)。结果表明，这些合金是在低温条件下进行气体液化的良好候选材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Magnetics 工程技术-工程：电子与电气

CiteScore

4.00

自引率

14.30%

发文量

565

审稿时长

4.1 months

期刊介绍： Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The IEEE Transactions on Magnetics publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.