Control of large magnetocaloric effects and hysteresis of La1-zCez(Fe0.86Si0.14)13 compounds

被引：30
|
作者：
Fujieda, S [1 ]
Fujita, A [1 ]
Fukamichi, K [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Dept Mat Sci, Sendai, Miyagi 9808579, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2005年 / 41卷 / 10期
基金：
日本学术振兴会;
关键词：
adiabatic temperature change; hysteresis loss; itinerant-electron metamagnetic transition; magnetic entropy change; magnetocaloric effects; relative cooling power;
D O I：
10.1109/TMAG.2005.854775
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to improve the magnetocaloric effects (MCEs), the partial substitution of Ce for La in the La(Fe0.86Si0.14)(13) has been examined. The MCEs in the La0.7Ce0.3(F0.86Si0.14)(13) are much larger than those in the La(Fe0.86Si0.14)(13). The hysteresis loss due to the itinerant-electron metamagnetic transition of the La0.7Ce0.3(Fe0.86Si0.14)(13) is smaller than that of La(Fe0.88Si0.12)(13), though their MCEs are almost the same. Similar results are obtained inthecaseof z < 0.3. Accordingly, La1-xCez(Fe0.86Si0.14)(13) compounds are useful for high-performance magnetic refrigerants.
引用
收藏
页码：2787 / 2789
页数：3
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