Reversible Table-Like Magnetocaloric Effect in EuAuGe Compound

被引：21
|
作者：
Zhang, Yikun [1 ,2 ,3 ]
Wilde, Gerhard [3 ]
机构：
[1] Shanghai Univ, State Key Lab Adv Special Steels, Shanghai 200072, Peoples R China
[2] Northeastern Univ, Key Lab Electromagnet Proc Mat, Minist Educ, Shenyang 110819, Peoples R China
[3] Univ Munster, Inst Mat Phys, Wilhelm Klemm Str 10, D-48149 Munster, Germany
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2016年 / 29卷 / 08期
基金：
中国国家自然科学基金;
关键词：
EuAuGe compound; Magnetocaloric effect; Magnetic refrigeration; Magnetic properties; MAGNETIC-PROPERTIES; CRYSTAL-STRUCTURE; HO COMPOUNDS; ER; TB; REFRIGERATION; EUAGGE; RE; ND;
D O I：
10.1007/s10948-016-3519-x
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magnetic properties and magnetocaloric effect (MCE) in the ternary intermetallic compound of EuAuGe have been investigated. The compound undergoes a second-order magnetic phase transition at its own Curie temperatures T (C similar to)33 K. A large reversible table-like MCE has been observed from 1 to 40 K, which is related to the magnetic field-sensitive magnetic phase transition. For the magnetic field changes of 0-5 and 0-7 T, the maximum values of magnetic entropy change () are evaluated to be 7.6 and 10.1 J kg(-1) K-1, respectively; the corresponding relative cooling power (RCP) are 358 and 499 J kg(-1). The present results indicate that the EuAuGe compound is a considerable candidate for low-temperature refrigeration.
引用
收藏
页码：2159 / 2163
页数：5
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