Giant magnetocaloric effect in Tb3Rh

被引：12
|
作者：
Talik, E. [1 ]
Klimczak, M. [1 ]
机构：
[1] Silesian Univ, Inst Phys, PL-40007 Katowice, Poland
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 486卷 / 1-2期
关键词：
Rare earth-transition metal compounds; Magnetocaloric effect; Metamagnetism;
D O I：
10.1016/j.jallcom.2009.07.159
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Tb3Rh exhibits a giant magnetocaloric effect (GMCE) around ordering temperature of 88 K. The maximum magnetic entropy change Delta S-m obtained at 2T, 3T, 5T and 7T amounts -11.6J/(K kg), -14J/(K kg), -17.9J/(K kg) and -21J/(K kg) respectively The origin of an enhanced MCE is related to a first-order magnetic transition. Magnetic frustration and short range correlation are very important in understanding the properties of Tb3Rh. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：L30 / L33
页数：4
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