Enhancement of magnetocaloric effects in single phase La1-zNdz(Fe0.88Si0.12)13

被引：2
|
作者：
Fujieda, S. [1 ]
Fujita, A. [1 ]
Fukamichi, K. [1 ]
机构：
[1] Tohoku Univ, Inst Multidiscilplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan
来源：
PRICM 6: SIXTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-3 | 2007年 / 561-565卷
关键词：
itinerant-electron metamagnetic transition; isothermal magnetic entropy change magnetic refrigerant;
D O I：
10.4028/www.scientific.net/MSF.561-565.1093
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The single phase of a cubic NaZn13-type La1-zNdz(Fe0.88Si0.12)(13) is obtained in the region z <= 0.2. The field-induced first-order transition from the paramagnetic to ferromagnetic state, that is, the itinerant-electron metamagnetic (IEM) transition is kept after the substitution of Nd. In addition, a discontinuous change of magnetization at the Cure temperature becomes larger with increasing z. As a result, the isothermal magnetic entropy change and the relative cooling power in the magnetic field change from 0 to 5 T increase to -27 J/kg K and 518 J/kg, respectively, by the Is partial substitution of z = 0.2.
引用
收藏
页码：1093 / 1096
页数：4
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