Glass-forming ability, magnetic and cryogenic magnetocaloric properties of Gd30Ho30Cu20Al20 amorphous ribbon

IF 1.8 3区工程技术 Q3 PHYSICS, APPLIED

Cryogenics Pub Date : 2025-05-06 DOI:10.1016/j.cryogenics.2025.104107

Liyao Zhu, Yang Xie, Xinyu Zhao, Yikun Zhang

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引用次数: 0

Abstract

In this work, we provide an experimental investigation of the melt-spun Gd₃₀Ho₃₀Cu₂₀Al₂₀ ribbon regarding its glass-forming ability (GFA), magnetic, and cryogenic magnetocaloric (MC) properties. Our studies indicate that the Gd₃₀Ho₃₀Cu₂₀Al₂₀ amorphous ribbon possesses prominent GFA and undergoes a second order type magnetic phase transition around 51.4 K. Moreover, considerable cryogenic MC responses were realized in present Gd₃₀Ho₃₀Cu₂₀Al₂₀ amorphous ribbon. The MC parameters of maximum magnetic entropy change, temperature-averaged entropy change (5 K-lift) and relative cooling power under a magnetic field change of 0–5 T are deduced to be 7.14 J/kgK, 7.06 J/kgK and 540.6 J/kg, respectively, which are comparable to most realized RE-dominated amorphous materials with prominent cryogenic MC responses, making the present Gd₃₀Ho₃₀Cu₂₀Al₂₀ of interest for magnetic refrigeration application.

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Gd30Ho30Cu20Al20非晶带的玻璃化能力、磁性和低温磁热性能

在这项工作中，我们对熔融纺丝Gd30Ho30Cu20Al20带的玻璃形成能力（GFA），磁性和低温磁热（MC）性能进行了实验研究。我们的研究表明，Gd30Ho30Cu20Al20非晶带具有明显的GFA，并在51.4 K左右发生了二级磁相变。此外，在现有的Gd30Ho30Cu20Al20非晶带中实现了相当大的低温MC响应。在0-5 T磁场变化下，最大磁熵变化、温度平均熵变化（5k -lift）和相对冷却功率的MC参数分别为7.14 J/kgK、7.06 J/kgK和540.6 J/kg，与大多数已实现的稀土主导的非晶态材料相当，具有显著的低温MC响应，使本文制备的Gd30Ho30Cu20Al20具有磁制冷应用的兴趣。

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

Cryogenics 物理-热力学

CiteScore

3.80

自引率

9.50%

发文量

审稿时长

2.1 months

期刊介绍： Cryogenics is the world''s leading journal focusing on all aspects of cryoengineering and cryogenics. Papers published in Cryogenics cover a wide variety of subjects in low temperature engineering and research. Among the areas covered are: - Applications of superconductivity: magnets, electronics, devices - Superconductors and their properties - Properties of materials: metals, alloys, composites, polymers, insulations - New applications of cryogenic technology to processes, devices, machinery - Refrigeration and liquefaction technology - Thermodynamics - Fluid properties and fluid mechanics - Heat transfer - Thermometry and measurement science - Cryogenics in medicine - Cryoelectronics