Recent Research Trends in Magnetocaloric Effect

被引：0
作者：
Kim, Dong-Hyun [1 ]
Yu, Seong-Cho [1 ,2 ]
机构：
[1] Chungbuk Natl Univ, Dept Phys, Cheongju 28644, South Korea
[2] UNIST, Dept Phys, Ulsan 44919, South Korea
来源：
JOURNAL OF THE KOREAN MAGNETICS SOCIETY | 2020年 / 30卷 / 03期
关键词：
magnetocaloric effect; critical behavior; magnetization dynamics; GIANT; REFRIGERATION; MN; SN; CO;
D O I：
10.4283/JKMS.2020.30.3.085
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Magnetocaloric effect is observed for magnetic materials under external magnetic fields due to reduced magnetic entropy by being aligned along the applied field direction. Although it is discovered about 140 years ago, there are still many things to be explored. Here, we introduce basic concepts of magnetocaloric effect in terms of its relation with phase transition and thermodynamics. Various magnetocaloric materials are introduced with recent research trend to control structural/magnetic properties of those materials. Magnetocaloric effect for nanoparticles at cryogenic temperatures are introduced. Lastly, existence of magnetocaloric effect even on ultrafast fs- and ps timescale is discussed.
引用
收藏
页码：85 / 90
页数：6
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