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 / 33卷 / 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
收藏
页码：616 / 620
页数：5
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