Magnetic properties and promising cryogenic magneto-caloric performances of Gd20Ho20Tm20Cu20Ni20 amorphous ribbons

被引：10
|
作者：
张义坤 [1 ,2 ,3 ]
吴兵兵 [1 ,2 ,3 ]
郭丹 [1 ,2 ,3 ]
王江 [1 ,2 ,3 ]
任忠鸣 [1 ,2 ,3 ]
机构：
[1] State Key Laboratory of Advanced Special Steels Shanghai University
[2] Shanghai Key Laboratory of Advanced Ferrometallurgy Shanghai University
[3] School of Materials Science and Engineering Shanghai University
来源：
Chinese Physics B | 2021年 / 30卷 / 01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：
O482.6 [热电与热磁效应];
学科分类号：
070205 ; 0805 ; 080502 ; 0809 ;
摘要：
The magnetic cooling utilizing magneto-caloric effect is recognized as promising energy efficiency and environmentally friendly technology.Here we report a systematical study on the microstructures,magnetic properties and cryogenic magneto-caloric performances of the Gd20Ho20Tm20Cu20Ni20amorphous ribbons.It is found that the ribbons reveal a second-order phase transition and are accompanied by a table-shaped magneto-caloric effect.The calculated magneticentropy-change maximum |ΔSM|,temperature averaged entropy change(i.e.,TEC(10)),and refrigerant capacity reach 13.9 J/kg·K,13.84 J/kg-K and 740 J/kg with magnetic field change of 0-7 T,respectively,indicating that the present Gd20Ho20Tm20Cu20Ni20amorphous ribbons are good candidates for magnetic cooling.
引用
收藏
页码：571 / 574
页数：4
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