Large refrigerant capacity induced by table-like magnetocaloric effect in amorphous Er0.2Gd0.2Ho0.2Co0.2Cu0.2 ribbons

被引：82
作者：
Li, Lingwei [1 ,2 ]
Xu, Chi [3 ]
Yuan, Ye [3 ]
Zhou, Shengqiang [1 ,3 ]
机构：
[1] Hangzhou Dianzi Univ, ICAM, Hangzhou 310012, Zhejiang, Peoples R China
[2] Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, Shenyang 110819, Liaoning, Peoples R China
[3] Helmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, Dresden, Germany
来源：
MATERIALS RESEARCH LETTERS | 2018年 / 6卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Table-like magnetocaloric effect; Er0.2Gd0.2Ho0.2Co0.2Cu0.2 amorphous ribbons; large refrigeration capacity; MAGNETIC ENTROPY CHANGE; MICROWIRES; SHAPE; RE; DY;
D O I：
10.1080/21663831.2018.1471749
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructure, magnetism, and magnetocaloric properties in melt-spun Er0.2Gd0.2Ho0.2Co0.2 Cu-0.2 ribbons were reported. The ribbons are fully amorphousized and all the constituent elements are distributed uniformly. The large table-like magnetocaloric effect (MCE) from 25 to 75 K has been observed, resulting in a large value of refrigerant capacity (RC). With the magnetic field change (Delta mu H-0) of 0-5 T, the values of maximum magnetic entropy change (-Delta S-M(max)) reaches 11.1 J/kg K, and the corresponding value of RC are as large as 806 J/kg, make the amorphous Er0.2Gd0.2Ho0.2Co0.2Cu0.2 ribbons extremely attractive for cryogenic magnetic refrigeration.
引用
收藏
页码：413 / 418
页数：6
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