Magnetocaloric effect in the rare earth doped compounds (R1-cαRcη)Ni2

被引：12
|
作者：
de Oliveira, N. A. [1 ]
von Ranke, P. J. [1 ]
机构：
[1] Univ Estado Rio de Janeiro, Inst Fis Armando Dias Tavares, BR-20550013 Rio De Janeiro, RJ, Brazil
来源：
SOLID STATE COMMUNICATIONS | 2007年 / 144卷 / 3-4期
关键词：
rare earth compounds; magnetocaloric effect;
D O I：
10.1016/j.ssc.2007.08.018
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In this work we calculate the magnetocaloric effect in the doped compounds ((R1-cRc eta)-R-alpha)Ni-2, where R-alpha and R-eta stand for rare earth elements. The calculated isothermal entropy change and the adiabatic temperature change upon variations of the applied magnetic field, for the compounds (Er1-cDyc)Ni-2 and (Tb1-cHoc)Ni-2 are in good agreement with the available experimental data. We also propose a composite material based on the doped compound (Tb1-cHoc)Ni-2 to work as magnetic refrigerant in the temperature range between 15 and 35 K. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：103 / 108
页数：6
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