Magnetocaloric effect in CeFe2 and Ru-doped CeFe2 alloys

被引：37
|
作者：
Chattopadhyay, MK [1 ]
Manekar, MA [1 ]
Roy, SB [1 ]
机构：
[1] Raja Ramanna Ctr Adv Technol, Magnet & Superconducting Mat Sect, Indore 452013, India
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2006年 / 39卷 / 06期
关键词：
D O I：
10.1088/0022-3727/39/6/002
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magnetocaloric effect (MCE) is studied in CeFe2 and Ru-doped CeFe2 alloys with dc magnetization measurements. The pure CeFe2 compound shows a distinct peak in MCE around the paramagnetic to ferromagnetic transition. In Ru-doped CeFe2 alloys there is a further transition from the ferromagnetic to antiferromagnetic state at low temperatures. This latter magnetic transition gives rise to a relatively large inverse MCE. A comparative study of the MCE associated with two different magnetic transitions is made and the possible role of a structural transition in the inverse MCE is discussed.
引用
收藏
页码：1006 / 1011
页数：6
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