Magnetic and magnetocaloric effect of Er20Ho20Dy20Cu20Ni20 high-entropy metallic glass

被引：0

作者：

于世霖 ^{[1
,2
]}

田路 ^{[3
,4
]}

王俊峰 ^{[3
]}

赵新国 ^{[1
,2
]}

李达 ^{[1
,2
]}

莫兆军 ^{[3
]}

李昺 ^{[1
,2
]}

机构：

[1] Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences

[2] School of Materials Science and Engineering, University of Science and Technology of China

[3] Ganjiang Innovation Academy, Chinese Academy of Sciences

[4] School of Materials Science and Engineering, Hebei University of Technology

来源：

Chinese Physics B | 2024年 / 05期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Er20Ho20Dy20Cu20Ni20high-entropy metallic glass exhibited excellent magnetic refrigeration material with a wide temperature range and high refrigeration capacity(RC) was reported. Er20Ho20Dy20Cu20Ni20high-entropy metallic glass was observed with typical spin glass behavior around 15.5 K. In addition, we find that the magnetic entropy change(-?SM)originates from the sample undergoing a ferromagnetic(FM) to paramagnetic(PM) transition around 20 K. Under a field change from 0 T to 7 T, the value of maximum magnetic entropy change(-?SMmax) reaches 12.5 J/kg·K, and the corresponding value of RC reaches 487.7 J/kg in the temperature range from 6 K to 60 K. The large RC and wide temperature range make the Er20Ho20Dy20Cu20Ni20high-entropy metallic glass be a promising material for application in magnetic refrigerators.

引用

页码：616 / 620

页数：5

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